87565640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{983}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 210418560

約数和(自身を除く): 122852920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 340, 524, 655, 680, 983, 1048, 1310, 1966, 2227, 2620, 3932, 4454, 4915, 5240, 7864, 8908, 9830, 11135, 16711, 17816, 19660, 22270, 33422, 39320, 44540, 66844, 83555, 89080, 128773, 133688, 167110, 257546, 334220, 515092, 643865, 668440, 1030184, 1287730, 2189141, 2575460, 4378282, 5150920, 8756564, 10945705, 17513128, 21891410, 43782820, 87565640]

約数ペア:

[(1, 87565640), (2, 43782820), (4, 21891410), (5, 17513128), (8, 10945705), (10, 8756564), (17, 5150920), (20, 4378282), (34, 2575460), (40, 2189141), (68, 1287730), (85, 1030184), (131, 668440), (136, 643865), (170, 515092), (262, 334220), (340, 257546), (524, 167110), (655, 133688), (680, 128773), (983, 89080), (1048, 83555), (1310, 66844), (1966, 44540), (2227, 39320), (2620, 33422), (3932, 22270), (4454, 19660), (4915, 17816), (5240, 16711), (7864, 11135), (8908, 9830)]