31876520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 78624000

約数和(自身を除く): 46747480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 1039, 1180, 1534, 2078, 2360, 3068, 3835, 4156, 5195, 6136, 7670, 8312, 10390, 13507, 15340, 20780, 27014, 30680, 41560, 54028, 61301, 67535, 108056, 122602, 135070, 245204, 270140, 306505, 490408, 540280, 613010, 796913, 1226020, 1593826, 2452040, 3187652, 3984565, 6375304, 7969130, 15938260, 31876520]

約数ペア:

[(1, 31876520), (2, 15938260), (4, 7969130), (5, 6375304), (8, 3984565), (10, 3187652), (13, 2452040), (20, 1593826), (26, 1226020), (40, 796913), (52, 613010), (59, 540280), (65, 490408), (104, 306505), (118, 270140), (130, 245204), (236, 135070), (260, 122602), (295, 108056), (472, 67535), (520, 61301), (590, 54028), (767, 41560), (1039, 30680), (1180, 27014), (1534, 20780), (2078, 15340), (2360, 13507), (3068, 10390), (3835, 8312), (4156, 7670), (5195, 6136)]