16274620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 35356608

約数和(自身を除く): 19081988

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 157, 284, 292, 314, 355, 365, 628, 710, 730, 785, 1420, 1460, 1570, 3140, 5183, 10366, 11147, 11461, 20732, 22294, 22922, 25915, 44588, 45844, 51830, 55735, 57305, 103660, 111470, 114610, 222940, 229220, 813731, 1627462, 3254924, 4068655, 8137310, 16274620]

約数ペア:

[(1, 16274620), (2, 8137310), (4, 4068655), (5, 3254924), (10, 1627462), (20, 813731), (71, 229220), (73, 222940), (142, 114610), (146, 111470), (157, 103660), (284, 57305), (292, 55735), (314, 51830), (355, 45844), (365, 44588), (628, 25915), (710, 22922), (730, 22294), (785, 20732), (1420, 11461), (1460, 11147), (1570, 10366), (3140, 5183)]