40201420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 101928960

約数和(自身を除く): 61727540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 59, 62, 70, 118, 124, 140, 155, 157, 217, 236, 295, 310, 314, 413, 434, 590, 620, 628, 785, 826, 868, 1085, 1099, 1180, 1570, 1652, 1829, 2065, 2170, 2198, 3140, 3658, 4130, 4340, 4396, 4867, 5495, 7316, 8260, 9145, 9263, 9734, 10990, 12803, 18290, 18526, 19468, 21980, 24335, 25606, 34069, 36580, 37052, 46315, 48670, 51212, 64015, 64841, 68138, 92630, 97340, 128030, 129682, 136276, 170345, 185260, 256060, 259364, 287153, 324205, 340690, 574306, 648410, 681380, 1148612, 1296820, 1435765, 2010071, 2871530, 4020142, 5743060, 8040284, 10050355, 20100710, 40201420]

約数ペア:

[(1, 40201420), (2, 20100710), (4, 10050355), (5, 8040284), (7, 5743060), (10, 4020142), (14, 2871530), (20, 2010071), (28, 1435765), (31, 1296820), (35, 1148612), (59, 681380), (62, 648410), (70, 574306), (118, 340690), (124, 324205), (140, 287153), (155, 259364), (157, 256060), (217, 185260), (236, 170345), (295, 136276), (310, 129682), (314, 128030), (413, 97340), (434, 92630), (590, 68138), (620, 64841), (628, 64015), (785, 51212), (826, 48670), (868, 46315), (1085, 37052), (1099, 36580), (1180, 34069), (1570, 25606), (1652, 24335), (1829, 21980), (2065, 19468), (2170, 18526), (2198, 18290), (3140, 12803), (3658, 10990), (4130, 9734), (4340, 9263), (4396, 9145), (4867, 8260), (5495, 7316)]