28194400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2711}}^1$

素因数の和:2744

約数の個数: 72

約数和(自身を含む): 74151504

約数和(自身を除く): 45957104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 2711, 5200, 5422, 10400, 10844, 13555, 21688, 27110, 35243, 43376, 54220, 67775, 70486, 86752, 108440, 135550, 140972, 176215, 216880, 271100, 281944, 352430, 433760, 542200, 563888, 704860, 881075, 1084400, 1127776, 1409720, 1762150, 2168800, 2819440, 3524300, 5638880, 7048600, 14097200, 28194400]

約数ペア:

[(1, 28194400), (2, 14097200), (4, 7048600), (5, 5638880), (8, 3524300), (10, 2819440), (13, 2168800), (16, 1762150), (20, 1409720), (25, 1127776), (26, 1084400), (32, 881075), (40, 704860), (50, 563888), (52, 542200), (65, 433760), (80, 352430), (100, 281944), (104, 271100), (130, 216880), (160, 176215), (200, 140972), (208, 135550), (260, 108440), (325, 86752), (400, 70486), (416, 67775), (520, 54220), (650, 43376), (800, 35243), (1040, 27110), (1300, 21688), (2080, 13555), (2600, 10844), (2711, 10400), (5200, 5422)]