404866885540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1557180329}}^1$

素因数の和:1557180351

約数の個数: 24

約数和(自身を含む): 915622034040

約数和(自身を除く): 510755148500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1557180329, 3114360658, 6228721316, 7785901645, 15571803290, 20243344277, 31143606580, 40486688554, 80973377108, 101216721385, 202433442770, 404866885540]

約数ペア:

[(1, 404866885540), (2, 202433442770), (4, 101216721385), (5, 80973377108), (10, 40486688554), (13, 31143606580), (20, 20243344277), (26, 15571803290), (52, 7785901645), (65, 6228721316), (130, 3114360658), (260, 1557180329)]