40395940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 91869120

約数和(自身を除く): 51473180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 502, 619, 1004, 1238, 1255, 2476, 2510, 3095, 3263, 5020, 6190, 6526, 8047, 12380, 13052, 16094, 16315, 32188, 32630, 40235, 65260, 80470, 155369, 160940, 310738, 621476, 776845, 1553690, 2019797, 3107380, 4039594, 8079188, 10098985, 20197970, 40395940]

約数ペア:

[(1, 40395940), (2, 20197970), (4, 10098985), (5, 8079188), (10, 4039594), (13, 3107380), (20, 2019797), (26, 1553690), (52, 776845), (65, 621476), (130, 310738), (251, 160940), (260, 155369), (502, 80470), (619, 65260), (1004, 40235), (1238, 32630), (1255, 32188), (2476, 16315), (2510, 16094), (3095, 13052), (3263, 12380), (5020, 8047), (6190, 6526)]