40672970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 83994624

約数和(自身を除く): 43321654

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 61, 65, 115, 122, 130, 223, 230, 299, 305, 446, 598, 610, 793, 1115, 1403, 1495, 1586, 2230, 2806, 2899, 2990, 3965, 5129, 5798, 7015, 7930, 10258, 13603, 14030, 14495, 18239, 25645, 27206, 28990, 36478, 51290, 66677, 68015, 91195, 133354, 136030, 176839, 182390, 312869, 333385, 353678, 625738, 666770, 884195, 1564345, 1768390, 3128690, 4067297, 8134594, 20336485, 40672970]

約数ペア:

[(1, 40672970), (2, 20336485), (5, 8134594), (10, 4067297), (13, 3128690), (23, 1768390), (26, 1564345), (46, 884195), (61, 666770), (65, 625738), (115, 353678), (122, 333385), (130, 312869), (223, 182390), (230, 176839), (299, 136030), (305, 133354), (446, 91195), (598, 68015), (610, 66677), (793, 51290), (1115, 36478), (1403, 28990), (1495, 27206), (1586, 25645), (2230, 18239), (2806, 14495), (2899, 14030), (2990, 13603), (3965, 10258), (5129, 7930), (5798, 7015)]