2552889040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{40241}}^1$

素因数の和:40328

約数の個数: 80

約数和(自身を含む): 6496990416

約数和(自身を除く): 3944101376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 7930, 12688, 15860, 31720, 40241, 63440, 80482, 160964, 201205, 321928, 402410, 523133, 643856, 804820, 1046266, 1609640, 2092532, 2454701, 2615665, 3219280, 4185064, 4909402, 5231330, 8370128, 9818804, 10462660, 12273505, 19637608, 20925320, 24547010, 31911113, 39275216, 41850640, 49094020, 63822226, 98188040, 127644452, 159555565, 196376080, 255288904, 319111130, 510577808, 638222260, 1276444520, 2552889040]

約数ペア:

[(1, 2552889040), (2, 1276444520), (4, 638222260), (5, 510577808), (8, 319111130), (10, 255288904), (13, 196376080), (16, 159555565), (20, 127644452), (26, 98188040), (40, 63822226), (52, 49094020), (61, 41850640), (65, 39275216), (80, 31911113), (104, 24547010), (122, 20925320), (130, 19637608), (208, 12273505), (244, 10462660), (260, 9818804), (305, 8370128), (488, 5231330), (520, 4909402), (610, 4185064), (793, 3219280), (976, 2615665), (1040, 2454701), (1220, 2092532), (1586, 1609640), (2440, 1046266), (3172, 804820), (3965, 643856), (4880, 523133), (6344, 402410), (7930, 321928), (12688, 201205), (15860, 160964), (31720, 80482), (40241, 63440)]