1288300

素因数分解:

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

素因数の和:1018

約数の個数: 36

約数和(自身を含む): 3013696

約数和(自身を除く): 1725396

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 991, 1300, 1982, 3964, 4955, 9910, 12883, 19820, 24775, 25766, 49550, 51532, 64415, 99100, 128830, 257660, 322075, 644150, 1288300]

約数ペア:

[(1, 1288300), (2, 644150), (4, 322075), (5, 257660), (10, 128830), (13, 99100), (20, 64415), (25, 51532), (26, 49550), (50, 25766), (52, 24775), (65, 19820), (100, 12883), (130, 9910), (260, 4955), (325, 3964), (650, 1982), (991, 1300)]