20165164480

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{4013}}^1$

素因数の和:4454

約数の個数: 112

約数和(自身を含む): 49330197504

約数和(自身を除く): 29165033024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 383, 410, 656, 766, 820, 1312, 1532, 1640, 1915, 2624, 3064, 3280, 3830, 4013, 6128, 6560, 7660, 8026, 12256, 13120, 15320, 15703, 16052, 20065, 24512, 30640, 31406, 32104, 40130, 61280, 62812, 64208, 78515, 80260, 122560, 125624, 128416, 157030, 160520, 164533, 251248, 256832, 314060, 321040, 329066, 502496, 628120, 642080, 658132, 822665, 1004992, 1256240, 1284160, 1316264, 1536979, 1645330, 2512480, 2632528, 3073958, 3290660, 5024960, 5265056, 6147916, 6581320, 7684895, 10530112, 12295832, 13162640, 15369790, 24591664, 26325280, 30739580, 49183328, 52650560, 61479160, 63016139, 98366656, 122958320, 126032278, 245916640, 252064556, 315080695, 491833280, 504129112, 630161390, 1008258224, 1260322780, 2016516448, 2520645560, 4033032896, 5041291120, 10082582240, 20165164480]

約数ペア:

[(1, 20165164480), (2, 10082582240), (4, 5041291120), (5, 4033032896), (8, 2520645560), (10, 2016516448), (16, 1260322780), (20, 1008258224), (32, 630161390), (40, 504129112), (41, 491833280), (64, 315080695), (80, 252064556), (82, 245916640), (160, 126032278), (164, 122958320), (205, 98366656), (320, 63016139), (328, 61479160), (383, 52650560), (410, 49183328), (656, 30739580), (766, 26325280), (820, 24591664), (1312, 15369790), (1532, 13162640), (1640, 12295832), (1915, 10530112), (2624, 7684895), (3064, 6581320), (3280, 6147916), (3830, 5265056), (4013, 5024960), (6128, 3290660), (6560, 3073958), (7660, 2632528), (8026, 2512480), (12256, 1645330), (13120, 1536979), (15320, 1316264), (15703, 1284160), (16052, 1256240), (20065, 1004992), (24512, 822665), (30640, 658132), (31406, 642080), (32104, 628120), (40130, 502496), (61280, 329066), (62812, 321040), (64208, 314060), (78515, 256832), (80260, 251248), (122560, 164533), (125624, 160520), (128416, 157030)]