8121280

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 56

約数和(自身を含む): 19842480

約数和(自身を除く): 11721200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 619, 656, 820, 1238, 1312, 1640, 2476, 2624, 3095, 3280, 4952, 6190, 6560, 9904, 12380, 13120, 19808, 24760, 25379, 39616, 49520, 50758, 99040, 101516, 126895, 198080, 203032, 253790, 406064, 507580, 812128, 1015160, 1624256, 2030320, 4060640, 8121280]

約数ペア:

[(1, 8121280), (2, 4060640), (4, 2030320), (5, 1624256), (8, 1015160), (10, 812128), (16, 507580), (20, 406064), (32, 253790), (40, 203032), (41, 198080), (64, 126895), (80, 101516), (82, 99040), (160, 50758), (164, 49520), (205, 39616), (320, 25379), (328, 24760), (410, 19808), (619, 13120), (656, 12380), (820, 9904), (1238, 6560), (1312, 6190), (1640, 4952), (2476, 3280), (2624, 3095)]