78830440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151597}}^1$

素因数の和:151621

約数の個数: 32

約数和(自身を含む): 191013480

約数和(自身を除く): 112183040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 151597, 303194, 606388, 757985, 1212776, 1515970, 1970761, 3031940, 3941522, 6063880, 7883044, 9853805, 15766088, 19707610, 39415220, 78830440]

約数ペア:

[(1, 78830440), (2, 39415220), (4, 19707610), (5, 15766088), (8, 9853805), (10, 7883044), (13, 6063880), (20, 3941522), (26, 3031940), (40, 1970761), (52, 1515970), (65, 1212776), (104, 757985), (130, 606388), (260, 303194), (520, 151597)]