80189680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58963}}^1$

素因数の和:58993

約数の個数: 40

約数和(自身を含む): 197411472

約数和(自身を除く): 117221792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 58963, 117926, 235852, 294815, 471704, 589630, 943408, 1002371, 1179260, 2004742, 2358520, 4009484, 4717040, 5011855, 8018968, 10023710, 16037936, 20047420, 40094840, 80189680]

約数ペア:

[(1, 80189680), (2, 40094840), (4, 20047420), (5, 16037936), (8, 10023710), (10, 8018968), (16, 5011855), (17, 4717040), (20, 4009484), (34, 2358520), (40, 2004742), (68, 1179260), (80, 1002371), (85, 943408), (136, 589630), (170, 471704), (272, 294815), (340, 235852), (680, 117926), (1360, 58963)]