102740800

素因数分解:

$2^6\times 5^2\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:588

約数の個数: 84

約数和(自身を含む): 255038860

約数和(自身を除く): 152298060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 157, 160, 200, 314, 320, 400, 409, 628, 785, 800, 818, 1256, 1570, 1600, 1636, 2045, 2512, 3140, 3272, 3925, 4090, 5024, 6280, 6544, 7850, 8180, 10048, 10225, 12560, 13088, 15700, 16360, 20450, 25120, 26176, 31400, 32720, 40900, 50240, 62800, 64213, 65440, 81800, 125600, 128426, 130880, 163600, 251200, 256852, 321065, 327200, 513704, 642130, 654400, 1027408, 1284260, 1605325, 2054816, 2568520, 3210650, 4109632, 5137040, 6421300, 10274080, 12842600, 20548160, 25685200, 51370400, 102740800]

約数ペア:

[(1, 102740800), (2, 51370400), (4, 25685200), (5, 20548160), (8, 12842600), (10, 10274080), (16, 6421300), (20, 5137040), (25, 4109632), (32, 3210650), (40, 2568520), (50, 2054816), (64, 1605325), (80, 1284260), (100, 1027408), (157, 654400), (160, 642130), (200, 513704), (314, 327200), (320, 321065), (400, 256852), (409, 251200), (628, 163600), (785, 130880), (800, 128426), (818, 125600), (1256, 81800), (1570, 65440), (1600, 64213), (1636, 62800), (2045, 50240), (2512, 40900), (3140, 32720), (3272, 31400), (3925, 26176), (4090, 25120), (5024, 20450), (6280, 16360), (6544, 15700), (7850, 13088), (8180, 12560), (10048, 10225)]