102801920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3089}}^1$

素因数の和:3125

約数の個数: 80

約数和(自身を含む): 265529880

約数和(自身を除く): 162727960

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, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3089, 3328, 4160, 6178, 6656, 8320, 12356, 15445, 16640, 24712, 30890, 33280, 40157, 49424, 61780, 80314, 98848, 123560, 160628, 197696, 200785, 247120, 321256, 395392, 401570, 494240, 642512, 790784, 803140, 988480, 1285024, 1581568, 1606280, 1976960, 2570048, 3212560, 3953920, 5140096, 6425120, 7907840, 10280192, 12850240, 20560384, 25700480, 51400960, 102801920]

約数ペア:

[(1, 102801920), (2, 51400960), (4, 25700480), (5, 20560384), (8, 12850240), (10, 10280192), (13, 7907840), (16, 6425120), (20, 5140096), (26, 3953920), (32, 3212560), (40, 2570048), (52, 1976960), (64, 1606280), (65, 1581568), (80, 1285024), (104, 988480), (128, 803140), (130, 790784), (160, 642512), (208, 494240), (256, 401570), (260, 395392), (320, 321256), (416, 247120), (512, 200785), (520, 197696), (640, 160628), (832, 123560), (1040, 98848), (1280, 80314), (1664, 61780), (2080, 49424), (2560, 40157), (3089, 33280), (3328, 30890), (4160, 24712), (6178, 16640), (6656, 15445), (8320, 12356)]