72311440

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1583}}^1$

素因数の和:2167

約数の個数: 40

約数和(自身を含む): 168524928

約数和(自身を除く): 96213488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 1583, 2284, 2855, 3166, 4568, 5710, 6332, 7915, 9136, 11420, 12664, 15830, 22840, 25328, 31660, 45680, 63320, 126640, 903893, 1807786, 3615572, 4519465, 7231144, 9038930, 14462288, 18077860, 36155720, 72311440]

約数ペア:

[(1, 72311440), (2, 36155720), (4, 18077860), (5, 14462288), (8, 9038930), (10, 7231144), (16, 4519465), (20, 3615572), (40, 1807786), (80, 903893), (571, 126640), (1142, 63320), (1583, 45680), (2284, 31660), (2855, 25328), (3166, 22840), (4568, 15830), (5710, 12664), (6332, 11420), (7915, 9136)]