72049720

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3581}}^1$

素因数の和:4095

約数の個数: 32

約数和(自身を含む): 162479520

約数和(自身を除く): 90429800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 3581, 4024, 5030, 7162, 10060, 14324, 17905, 20120, 28648, 35810, 71620, 143240, 1801243, 3602486, 7204972, 9006215, 14409944, 18012430, 36024860, 72049720]

約数ペア:

[(1, 72049720), (2, 36024860), (4, 18012430), (5, 14409944), (8, 9006215), (10, 7204972), (20, 3602486), (40, 1801243), (503, 143240), (1006, 71620), (2012, 35810), (2515, 28648), (3581, 20120), (4024, 17905), (5030, 14324), (7162, 10060)]