81160040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9181}}^1$

素因数の和:9222

約数の個数: 64

約数和(自身を含む): 208247760

約数和(自身を除く): 127087720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 9181, 18362, 36724, 45905, 73448, 91810, 119353, 156077, 183620, 238706, 312154, 367240, 477412, 596765, 624308, 780385, 954824, 1193530, 1248616, 1560770, 2029001, 2387060, 3121540, 4058002, 4774120, 6243080, 8116004, 10145005, 16232008, 20290010, 40580020, 81160040]

約数ペア:

[(1, 81160040), (2, 40580020), (4, 20290010), (5, 16232008), (8, 10145005), (10, 8116004), (13, 6243080), (17, 4774120), (20, 4058002), (26, 3121540), (34, 2387060), (40, 2029001), (52, 1560770), (65, 1248616), (68, 1193530), (85, 954824), (104, 780385), (130, 624308), (136, 596765), (170, 477412), (221, 367240), (260, 312154), (340, 238706), (442, 183620), (520, 156077), (680, 119353), (884, 91810), (1105, 73448), (1768, 45905), (2210, 36724), (4420, 18362), (8840, 9181)]