85123420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13177}}^1$

素因数の和:13222

約数の個数: 48

約数和(自身を含む): 199251360

約数和(自身を除く): 114127940

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 13177, 26354, 52708, 65885, 131770, 224009, 250363, 263540, 448018, 500726, 896036, 1001452, 1120045, 1251815, 2240090, 2503630, 4256171, 4480180, 5007260, 8512342, 17024684, 21280855, 42561710, 85123420]

約数ペア:

[(1, 85123420), (2, 42561710), (4, 21280855), (5, 17024684), (10, 8512342), (17, 5007260), (19, 4480180), (20, 4256171), (34, 2503630), (38, 2240090), (68, 1251815), (76, 1120045), (85, 1001452), (95, 896036), (170, 500726), (190, 448018), (323, 263540), (340, 250363), (380, 224009), (646, 131770), (1292, 65885), (1615, 52708), (3230, 26354), (6460, 13177)]