64509440

素因数分解:

$2^9\times 5^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 80

約数和(自身を含む): 156739968

約数和(自身を除く): 92230528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 223, 226, 256, 320, 446, 452, 512, 565, 640, 892, 904, 1115, 1130, 1280, 1784, 1808, 2230, 2260, 2560, 3568, 3616, 4460, 4520, 7136, 7232, 8920, 9040, 14272, 14464, 17840, 18080, 25199, 28544, 28928, 35680, 36160, 50398, 57088, 57856, 71360, 72320, 100796, 114176, 125995, 142720, 144640, 201592, 251990, 285440, 289280, 403184, 503980, 570880, 806368, 1007960, 1612736, 2015920, 3225472, 4031840, 6450944, 8063680, 12901888, 16127360, 32254720, 64509440]

約数ペア:

[(1, 64509440), (2, 32254720), (4, 16127360), (5, 12901888), (8, 8063680), (10, 6450944), (16, 4031840), (20, 3225472), (32, 2015920), (40, 1612736), (64, 1007960), (80, 806368), (113, 570880), (128, 503980), (160, 403184), (223, 289280), (226, 285440), (256, 251990), (320, 201592), (446, 144640), (452, 142720), (512, 125995), (565, 114176), (640, 100796), (892, 72320), (904, 71360), (1115, 57856), (1130, 57088), (1280, 50398), (1784, 36160), (1808, 35680), (2230, 28928), (2260, 28544), (2560, 25199), (3568, 18080), (3616, 17840), (4460, 14464), (4520, 14272), (7136, 9040), (7232, 8920)]