205080980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2383}}^1$

素因数の和:2736

約数の個数: 48

約数和(自身を含む): 465394944

約数和(自身を除く): 260313964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1655, 2383, 3310, 4303, 4766, 6620, 8606, 9532, 11915, 17212, 21515, 23830, 30979, 43030, 47660, 61958, 86060, 123916, 154895, 309790, 619580, 788773, 1577546, 3155092, 3943865, 7887730, 10254049, 15775460, 20508098, 41016196, 51270245, 102540490, 205080980]

約数ペア:

[(1, 205080980), (2, 102540490), (4, 51270245), (5, 41016196), (10, 20508098), (13, 15775460), (20, 10254049), (26, 7887730), (52, 3943865), (65, 3155092), (130, 1577546), (260, 788773), (331, 619580), (662, 309790), (1324, 154895), (1655, 123916), (2383, 86060), (3310, 61958), (4303, 47660), (4766, 43030), (6620, 30979), (8606, 23830), (9532, 21515), (11915, 17212)]