51653440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 112

約数和(自身を含む): 131088384

約数和(自身を除く): 79434944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 127, 155, 160, 164, 205, 248, 254, 310, 320, 328, 410, 496, 508, 620, 635, 656, 820, 992, 1016, 1240, 1270, 1271, 1312, 1640, 1984, 2032, 2480, 2540, 2542, 2624, 3280, 3937, 4064, 4960, 5080, 5084, 5207, 6355, 6560, 7874, 8128, 9920, 10160, 10168, 10414, 12710, 13120, 15748, 19685, 20320, 20336, 20828, 25420, 26035, 31496, 39370, 40640, 40672, 41656, 50840, 52070, 62992, 78740, 81344, 83312, 101680, 104140, 125984, 157480, 161417, 166624, 203360, 208280, 251968, 314960, 322834, 333248, 406720, 416560, 629920, 645668, 807085, 833120, 1259840, 1291336, 1614170, 1666240, 2582672, 3228340, 5165344, 6456680, 10330688, 12913360, 25826720, 51653440]

約数ペア:

[(1, 51653440), (2, 25826720), (4, 12913360), (5, 10330688), (8, 6456680), (10, 5165344), (16, 3228340), (20, 2582672), (31, 1666240), (32, 1614170), (40, 1291336), (41, 1259840), (62, 833120), (64, 807085), (80, 645668), (82, 629920), (124, 416560), (127, 406720), (155, 333248), (160, 322834), (164, 314960), (205, 251968), (248, 208280), (254, 203360), (310, 166624), (320, 161417), (328, 157480), (410, 125984), (496, 104140), (508, 101680), (620, 83312), (635, 81344), (656, 78740), (820, 62992), (992, 52070), (1016, 50840), (1240, 41656), (1270, 40672), (1271, 40640), (1312, 39370), (1640, 31496), (1984, 26035), (2032, 25420), (2480, 20828), (2540, 20336), (2542, 20320), (2624, 19685), (3280, 15748), (3937, 13120), (4064, 12710), (4960, 10414), (5080, 10168), (5084, 10160), (5207, 9920), (6355, 8128), (6560, 7874)]