40644620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 91028448

約数和(自身を除く): 50383828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 691, 692, 865, 1382, 1730, 2764, 2941, 3455, 3460, 5882, 6910, 11747, 11764, 13820, 14705, 23494, 29410, 46988, 58735, 58820, 117470, 119543, 234940, 239086, 478172, 597715, 1195430, 2032231, 2390860, 4064462, 8128924, 10161155, 20322310, 40644620]

約数ペア:

[(1, 40644620), (2, 20322310), (4, 10161155), (5, 8128924), (10, 4064462), (17, 2390860), (20, 2032231), (34, 1195430), (68, 597715), (85, 478172), (170, 239086), (173, 234940), (340, 119543), (346, 117470), (691, 58820), (692, 58735), (865, 46988), (1382, 29410), (1730, 23494), (2764, 14705), (2941, 13820), (3455, 11764), (3460, 11747), (5882, 6910)]