682240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 1802808

約数和(自身を除く): 1120568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 256, 260, 320, 328, 410, 416, 520, 533, 640, 656, 820, 832, 1040, 1066, 1280, 1312, 1640, 1664, 2080, 2132, 2624, 2665, 3280, 3328, 4160, 4264, 5248, 5330, 6560, 8320, 8528, 10496, 10660, 13120, 16640, 17056, 21320, 26240, 34112, 42640, 52480, 68224, 85280, 136448, 170560, 341120, 682240]

約数ペア:

[(1, 682240), (2, 341120), (4, 170560), (5, 136448), (8, 85280), (10, 68224), (13, 52480), (16, 42640), (20, 34112), (26, 26240), (32, 21320), (40, 17056), (41, 16640), (52, 13120), (64, 10660), (65, 10496), (80, 8528), (82, 8320), (104, 6560), (128, 5330), (130, 5248), (160, 4264), (164, 4160), (205, 3328), (208, 3280), (256, 2665), (260, 2624), (320, 2132), (328, 2080), (410, 1664), (416, 1640), (520, 1312), (533, 1280), (640, 1066), (656, 1040), (820, 832)]