80636800

素因数分解:

$2^7\times 5^2\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:360

約数の個数: 96

約数和(自身を含む): 201862080

約数和(自身を除く): 121225280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 113, 128, 160, 200, 223, 226, 320, 400, 446, 452, 565, 640, 800, 892, 904, 1115, 1130, 1600, 1784, 1808, 2230, 2260, 2825, 3200, 3568, 3616, 4460, 4520, 5575, 5650, 7136, 7232, 8920, 9040, 11150, 11300, 14272, 14464, 17840, 18080, 22300, 22600, 25199, 28544, 35680, 36160, 44600, 45200, 50398, 71360, 72320, 89200, 90400, 100796, 125995, 142720, 178400, 180800, 201592, 251990, 356800, 361600, 403184, 503980, 629975, 713600, 806368, 1007960, 1259950, 1612736, 2015920, 2519900, 3225472, 4031840, 5039800, 8063680, 10079600, 16127360, 20159200, 40318400, 80636800]

約数ペア:

[(1, 80636800), (2, 40318400), (4, 20159200), (5, 16127360), (8, 10079600), (10, 8063680), (16, 5039800), (20, 4031840), (25, 3225472), (32, 2519900), (40, 2015920), (50, 1612736), (64, 1259950), (80, 1007960), (100, 806368), (113, 713600), (128, 629975), (160, 503980), (200, 403184), (223, 361600), (226, 356800), (320, 251990), (400, 201592), (446, 180800), (452, 178400), (565, 142720), (640, 125995), (800, 100796), (892, 90400), (904, 89200), (1115, 72320), (1130, 71360), (1600, 50398), (1784, 45200), (1808, 44600), (2230, 36160), (2260, 35680), (2825, 28544), (3200, 25199), (3568, 22600), (3616, 22300), (4460, 18080), (4520, 17840), (5575, 14464), (5650, 14272), (7136, 11300), (7232, 11150), (8920, 9040)]