40094740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 98939232

約数和(自身を除く): 58844492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 251, 326, 490, 502, 652, 815, 980, 1004, 1141, 1255, 1630, 1757, 2282, 2510, 3260, 3514, 4564, 5020, 5705, 7028, 7987, 8785, 11410, 12299, 15974, 17570, 22820, 24598, 31948, 35140, 39935, 40913, 49196, 61495, 79870, 81826, 122990, 159740, 163652, 204565, 245980, 286391, 409130, 572782, 818260, 1145564, 1431955, 2004737, 2863910, 4009474, 5727820, 8018948, 10023685, 20047370, 40094740]

約数ペア:

[(1, 40094740), (2, 20047370), (4, 10023685), (5, 8018948), (7, 5727820), (10, 4009474), (14, 2863910), (20, 2004737), (28, 1431955), (35, 1145564), (49, 818260), (70, 572782), (98, 409130), (140, 286391), (163, 245980), (196, 204565), (245, 163652), (251, 159740), (326, 122990), (490, 81826), (502, 79870), (652, 61495), (815, 49196), (980, 40913), (1004, 39935), (1141, 35140), (1255, 31948), (1630, 24598), (1757, 22820), (2282, 17570), (2510, 15974), (3260, 12299), (3514, 11410), (4564, 8785), (5020, 7987), (5705, 7028)]