31761440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11677}}^1$

素因数の和:11709

約数の個数: 48

約数和(自身を含む): 79457112

約数和(自身を除く): 47695672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 11677, 23354, 46708, 58385, 93416, 116770, 186832, 198509, 233540, 373664, 397018, 467080, 794036, 934160, 992545, 1588072, 1868320, 1985090, 3176144, 3970180, 6352288, 7940360, 15880720, 31761440]

約数ペア:

[(1, 31761440), (2, 15880720), (4, 7940360), (5, 6352288), (8, 3970180), (10, 3176144), (16, 1985090), (17, 1868320), (20, 1588072), (32, 992545), (34, 934160), (40, 794036), (68, 467080), (80, 397018), (85, 373664), (136, 233540), (160, 198509), (170, 186832), (272, 116770), (340, 93416), (544, 58385), (680, 46708), (1360, 23354), (2720, 11677)]