64030640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11273}}^1$

素因数の和:11357

約数の個数: 40

約数和(自身を含む): 150981408

約数和(自身を除く): 86950768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11273, 22546, 45092, 56365, 90184, 112730, 180368, 225460, 450920, 800383, 901840, 1600766, 3201532, 4001915, 6403064, 8003830, 12806128, 16007660, 32015320, 64030640]

約数ペア:

[(1, 64030640), (2, 32015320), (4, 16007660), (5, 12806128), (8, 8003830), (10, 6403064), (16, 4001915), (20, 3201532), (40, 1600766), (71, 901840), (80, 800383), (142, 450920), (284, 225460), (355, 180368), (568, 112730), (710, 90184), (1136, 56365), (1420, 45092), (2840, 22546), (5680, 11273)]