80965970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{3137}}^1$

素因数の和:3262

約数の個数: 32

約数和(自身を含む): 152506800

約数和(自身を除く): 71540830

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 3137, 5162, 6274, 12905, 15685, 25810, 31370, 90973, 181946, 279193, 454865, 558386, 909730, 1395965, 2791930, 8096597, 16193194, 40482985, 80965970]

約数ペア:

[(1, 80965970), (2, 40482985), (5, 16193194), (10, 8096597), (29, 2791930), (58, 1395965), (89, 909730), (145, 558386), (178, 454865), (290, 279193), (445, 181946), (890, 90973), (2581, 31370), (3137, 25810), (5162, 15685), (6274, 12905)]