81257200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6553}}^1$

素因数の和:6602

約数の個数: 60

約数和(自身を含む): 201548608

約数和(自身を除く): 120291408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 6553, 12400, 13106, 26212, 32765, 52424, 65530, 104848, 131060, 163825, 203143, 262120, 327650, 406286, 524240, 655300, 812572, 1015715, 1310600, 1625144, 2031430, 2621200, 3250288, 4062860, 5078575, 8125720, 10157150, 16251440, 20314300, 40628600, 81257200]

約数ペア:

[(1, 81257200), (2, 40628600), (4, 20314300), (5, 16251440), (8, 10157150), (10, 8125720), (16, 5078575), (20, 4062860), (25, 3250288), (31, 2621200), (40, 2031430), (50, 1625144), (62, 1310600), (80, 1015715), (100, 812572), (124, 655300), (155, 524240), (200, 406286), (248, 327650), (310, 262120), (400, 203143), (496, 163825), (620, 131060), (775, 104848), (1240, 65530), (1550, 52424), (2480, 32765), (3100, 26212), (6200, 13106), (6553, 12400)]