31609120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11621}}^1$

素因数の和:11653

約数の個数: 48

約数和(自身を含む): 79076088

約数和(自身を除く): 47466968

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, 11621, 23242, 46484, 58105, 92968, 116210, 185936, 197557, 232420, 371872, 395114, 464840, 790228, 929680, 987785, 1580456, 1859360, 1975570, 3160912, 3951140, 6321824, 7902280, 15804560, 31609120]

約数ペア:

[(1, 31609120), (2, 15804560), (4, 7902280), (5, 6321824), (8, 3951140), (10, 3160912), (16, 1975570), (17, 1859360), (20, 1580456), (32, 987785), (34, 929680), (40, 790228), (68, 464840), (80, 395114), (85, 371872), (136, 232420), (160, 197557), (170, 185936), (272, 116210), (340, 92968), (544, 58105), (680, 46484), (1360, 23242), (2720, 11621)]