3977200

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 60

約数和(自身を含む): 9771448

約数和(自身を除く): 5794248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 163, 200, 244, 305, 326, 400, 488, 610, 652, 815, 976, 1220, 1304, 1525, 1630, 2440, 2608, 3050, 3260, 4075, 4880, 6100, 6520, 8150, 9943, 12200, 13040, 16300, 19886, 24400, 32600, 39772, 49715, 65200, 79544, 99430, 159088, 198860, 248575, 397720, 497150, 795440, 994300, 1988600, 3977200]

約数ペア:

[(1, 3977200), (2, 1988600), (4, 994300), (5, 795440), (8, 497150), (10, 397720), (16, 248575), (20, 198860), (25, 159088), (40, 99430), (50, 79544), (61, 65200), (80, 49715), (100, 39772), (122, 32600), (163, 24400), (200, 19886), (244, 16300), (305, 13040), (326, 12200), (400, 9943), (488, 8150), (610, 6520), (652, 6100), (815, 4880), (976, 4075), (1220, 3260), (1304, 3050), (1525, 2608), (1630, 2440)]