72050420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16301}}^1$

素因数の和:16340

約数の個数: 48

約数和(自身を含む): 172540368

約数和(自身を除く): 100489948

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 16301, 32602, 65204, 81505, 163010, 211913, 277117, 326020, 423826, 554234, 847652, 1059565, 1108468, 1385585, 2119130, 2771170, 3602521, 4238260, 5542340, 7205042, 14410084, 18012605, 36025210, 72050420]

約数ペア:

[(1, 72050420), (2, 36025210), (4, 18012605), (5, 14410084), (10, 7205042), (13, 5542340), (17, 4238260), (20, 3602521), (26, 2771170), (34, 2119130), (52, 1385585), (65, 1108468), (68, 1059565), (85, 847652), (130, 554234), (170, 423826), (221, 326020), (260, 277117), (340, 211913), (442, 163010), (884, 81505), (1105, 65204), (2210, 32602), (4420, 16301)]