25700480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3089}}^1$

素因数の和:3121

約数の個数: 64

約数和(自身を含む): 66187800

約数和(自身を除く): 40487320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3089, 4160, 6178, 8320, 12356, 15445, 24712, 30890, 40157, 49424, 61780, 80314, 98848, 123560, 160628, 197696, 200785, 247120, 321256, 395392, 401570, 494240, 642512, 803140, 988480, 1285024, 1606280, 1976960, 2570048, 3212560, 5140096, 6425120, 12850240, 25700480]

約数ペア:

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