64174340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 140797440

約数和(自身を除く): 76623100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1163, 1780, 2326, 2759, 4652, 5518, 5815, 11036, 11630, 13795, 23260, 27590, 36053, 55180, 72106, 103507, 144212, 180265, 207014, 360530, 414028, 517535, 721060, 1035070, 2070140, 3208717, 6417434, 12834868, 16043585, 32087170, 64174340]

約数ペア:

[(1, 64174340), (2, 32087170), (4, 16043585), (5, 12834868), (10, 6417434), (20, 3208717), (31, 2070140), (62, 1035070), (89, 721060), (124, 517535), (155, 414028), (178, 360530), (310, 207014), (356, 180265), (445, 144212), (620, 103507), (890, 72106), (1163, 55180), (1780, 36053), (2326, 27590), (2759, 23260), (4652, 13795), (5518, 11630), (5815, 11036)]