139744400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{8521}}^1$

素因数の和:8580

約数の個数: 60

約数和(自身を含む): 343964964

約数和(自身を除く): 204220564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 8200, 8521, 16400, 17042, 34084, 42605, 68168, 85210, 136336, 170420, 213025, 340840, 349361, 426050, 681680, 698722, 852100, 1397444, 1704200, 1746805, 2794888, 3408400, 3493610, 5589776, 6987220, 8734025, 13974440, 17468050, 27948880, 34936100, 69872200, 139744400]

約数ペア:

[(1, 139744400), (2, 69872200), (4, 34936100), (5, 27948880), (8, 17468050), (10, 13974440), (16, 8734025), (20, 6987220), (25, 5589776), (40, 3493610), (41, 3408400), (50, 2794888), (80, 1746805), (82, 1704200), (100, 1397444), (164, 852100), (200, 698722), (205, 681680), (328, 426050), (400, 349361), (410, 340840), (656, 213025), (820, 170420), (1025, 136336), (1640, 85210), (2050, 68168), (3280, 42605), (4100, 34084), (8200, 17042), (8521, 16400)]