78420890

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{94483}}^1$

素因数の和:94573

約数の個数: 16

約数和(自身を含む): 142859808

約数和(自身を除く): 64438918

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 94483, 188966, 472415, 944830, 7842089, 15684178, 39210445, 78420890]

約数ペア:

[(1, 78420890), (2, 39210445), (5, 15684178), (10, 7842089), (83, 944830), (166, 472415), (415, 188966), (830, 94483)]