25157620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 56902608

約数和(自身を除く): 31744988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1213, 1220, 2074, 2426, 4148, 4852, 5185, 6065, 10370, 12130, 20621, 20740, 24260, 41242, 73993, 82484, 103105, 147986, 206210, 295972, 369965, 412420, 739930, 1257881, 1479860, 2515762, 5031524, 6289405, 12578810, 25157620]

約数ペア:

[(1, 25157620), (2, 12578810), (4, 6289405), (5, 5031524), (10, 2515762), (17, 1479860), (20, 1257881), (34, 739930), (61, 412420), (68, 369965), (85, 295972), (122, 206210), (170, 147986), (244, 103105), (305, 82484), (340, 73993), (610, 41242), (1037, 24260), (1213, 20740), (1220, 20621), (2074, 12130), (2426, 10370), (4148, 6065), (4852, 5185)]