40834940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 87998400

約数和(自身を除く): 47163460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 149, 193, 284, 298, 355, 386, 596, 710, 745, 772, 965, 1420, 1490, 1930, 2980, 3860, 10579, 13703, 21158, 27406, 28757, 42316, 52895, 54812, 57514, 68515, 105790, 115028, 137030, 143785, 211580, 274060, 287570, 575140, 2041747, 4083494, 8166988, 10208735, 20417470, 40834940]

約数ペア:

[(1, 40834940), (2, 20417470), (4, 10208735), (5, 8166988), (10, 4083494), (20, 2041747), (71, 575140), (142, 287570), (149, 274060), (193, 211580), (284, 143785), (298, 137030), (355, 115028), (386, 105790), (596, 68515), (710, 57514), (745, 54812), (772, 52895), (965, 42316), (1420, 28757), (1490, 27406), (1930, 21158), (2980, 13703), (3860, 10579)]