6441500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 15165696

約数和(自身を除く): 8724196

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 991, 1300, 1625, 1982, 3250, 3964, 4955, 6500, 9910, 12883, 19820, 24775, 25766, 49550, 51532, 64415, 99100, 123875, 128830, 247750, 257660, 322075, 495500, 644150, 1288300, 1610375, 3220750, 6441500]

約数ペア:

[(1, 6441500), (2, 3220750), (4, 1610375), (5, 1288300), (10, 644150), (13, 495500), (20, 322075), (25, 257660), (26, 247750), (50, 128830), (52, 123875), (65, 99100), (100, 64415), (125, 51532), (130, 49550), (250, 25766), (260, 24775), (325, 19820), (500, 12883), (650, 9910), (991, 6500), (1300, 4955), (1625, 3964), (1982, 3250)]