178134160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{130981}}^1$

素因数の和:131011

約数の個数: 40

約数和(自身を含む): 438527736

約数和(自身を除く): 260393576

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 130981, 261962, 523924, 654905, 1047848, 1309810, 2095696, 2226677, 2619620, 4453354, 5239240, 8906708, 10478480, 11133385, 17813416, 22266770, 35626832, 44533540, 89067080, 178134160]

約数ペア:

[(1, 178134160), (2, 89067080), (4, 44533540), (5, 35626832), (8, 22266770), (10, 17813416), (16, 11133385), (17, 10478480), (20, 8906708), (34, 5239240), (40, 4453354), (68, 2619620), (80, 2226677), (85, 2095696), (136, 1309810), (170, 1047848), (272, 654905), (340, 523924), (680, 261962), (1360, 130981)]