10871980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 26449920

約数和(自身を除く): 15577940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 983, 1106, 1580, 1966, 2212, 2765, 3932, 4915, 5530, 6881, 9830, 11060, 13762, 19660, 27524, 34405, 68810, 77657, 137620, 155314, 310628, 388285, 543599, 776570, 1087198, 1553140, 2174396, 2717995, 5435990, 10871980]

約数ペア:

[(1, 10871980), (2, 5435990), (4, 2717995), (5, 2174396), (7, 1553140), (10, 1087198), (14, 776570), (20, 543599), (28, 388285), (35, 310628), (70, 155314), (79, 137620), (140, 77657), (158, 68810), (316, 34405), (395, 27524), (553, 19660), (790, 13762), (983, 11060), (1106, 9830), (1580, 6881), (1966, 5530), (2212, 4915), (2765, 3932)]