29925220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 68160960

約数和(自身を除く): 38235740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 643, 716, 895, 1286, 1790, 2327, 2572, 3215, 3580, 4654, 6430, 8359, 9308, 11635, 12860, 16718, 23270, 33436, 41795, 46540, 83590, 115097, 167180, 230194, 460388, 575485, 1150970, 1496261, 2301940, 2992522, 5985044, 7481305, 14962610, 29925220]

約数ペア:

[(1, 29925220), (2, 14962610), (4, 7481305), (5, 5985044), (10, 2992522), (13, 2301940), (20, 1496261), (26, 1150970), (52, 575485), (65, 460388), (130, 230194), (179, 167180), (260, 115097), (358, 83590), (643, 46540), (716, 41795), (895, 33436), (1286, 23270), (1790, 16718), (2327, 12860), (2572, 11635), (3215, 9308), (3580, 8359), (4654, 6430)]