410020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 987840

約数和(自身を除く): 577820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 83, 95, 130, 166, 190, 247, 260, 332, 380, 415, 494, 830, 988, 1079, 1235, 1577, 1660, 2158, 2470, 3154, 4316, 4940, 5395, 6308, 7885, 10790, 15770, 20501, 21580, 31540, 41002, 82004, 102505, 205010, 410020]

約数ペア:

[(1, 410020), (2, 205010), (4, 102505), (5, 82004), (10, 41002), (13, 31540), (19, 21580), (20, 20501), (26, 15770), (38, 10790), (52, 7885), (65, 6308), (76, 5395), (83, 4940), (95, 4316), (130, 3154), (166, 2470), (190, 2158), (247, 1660), (260, 1577), (332, 1235), (380, 1079), (415, 988), (494, 830)]