30893980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3833}}^1$

素因数の和:3886

約数の個数: 48

約数和(自身を含む): 72140544

約数和(自身を除く): 41246564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3833, 4030, 7666, 8060, 15332, 19165, 38330, 49829, 76660, 99658, 118823, 199316, 237646, 249145, 475292, 498290, 594115, 996580, 1188230, 1544699, 2376460, 3089398, 6178796, 7723495, 15446990, 30893980]

約数ペア:

[(1, 30893980), (2, 15446990), (4, 7723495), (5, 6178796), (10, 3089398), (13, 2376460), (20, 1544699), (26, 1188230), (31, 996580), (52, 594115), (62, 498290), (65, 475292), (124, 249145), (130, 237646), (155, 199316), (260, 118823), (310, 99658), (403, 76660), (620, 49829), (806, 38330), (1612, 19165), (2015, 15332), (3833, 8060), (4030, 7666)]