1663816960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99989}}^1$

素因数の和:100023

約数の個数: 72

約数和(自身を含む): 4291970760

約数和(自身を除く): 2628153800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 99989, 199978, 399956, 499945, 799912, 999890, 1299857, 1599824, 1999780, 2599714, 3199648, 3999560, 5199428, 6399296, 6499285, 7999120, 10398856, 12798592, 12998570, 15998240, 20797712, 25597184, 25997140, 31996480, 41595424, 51994280, 63992960, 83190848, 103988560, 127985920, 166381696, 207977120, 332763392, 415954240, 831908480, 1663816960]

約数ペア:

[(1, 1663816960), (2, 831908480), (4, 415954240), (5, 332763392), (8, 207977120), (10, 166381696), (13, 127985920), (16, 103988560), (20, 83190848), (26, 63992960), (32, 51994280), (40, 41595424), (52, 31996480), (64, 25997140), (65, 25597184), (80, 20797712), (104, 15998240), (128, 12998570), (130, 12798592), (160, 10398856), (208, 7999120), (256, 6499285), (260, 6399296), (320, 5199428), (416, 3999560), (520, 3199648), (640, 2599714), (832, 1999780), (1040, 1599824), (1280, 1299857), (1664, 999890), (2080, 799912), (3328, 499945), (4160, 399956), (8320, 199978), (16640, 99989)]