28528400

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1068

約数の個数: 60

約数和(自身を含む): 69549492

約数和(自身を除く): 41021092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 146, 200, 292, 365, 400, 584, 730, 977, 1168, 1460, 1825, 1954, 2920, 3650, 3908, 4885, 5840, 7300, 7816, 9770, 14600, 15632, 19540, 24425, 29200, 39080, 48850, 71321, 78160, 97700, 142642, 195400, 285284, 356605, 390800, 570568, 713210, 1141136, 1426420, 1783025, 2852840, 3566050, 5705680, 7132100, 14264200, 28528400]

約数ペア:

[(1, 28528400), (2, 14264200), (4, 7132100), (5, 5705680), (8, 3566050), (10, 2852840), (16, 1783025), (20, 1426420), (25, 1141136), (40, 713210), (50, 570568), (73, 390800), (80, 356605), (100, 285284), (146, 195400), (200, 142642), (292, 97700), (365, 78160), (400, 71321), (584, 48850), (730, 39080), (977, 29200), (1168, 24425), (1460, 19540), (1825, 15632), (1954, 14600), (2920, 9770), (3650, 7816), (3908, 7300), (4885, 5840)]