85735780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{787}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 194604480

約数和(自身を除く): 108868700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 787, 838, 1574, 1676, 2095, 3148, 3935, 4190, 5447, 7870, 8380, 10231, 10894, 15740, 20462, 21788, 27235, 40924, 51155, 54470, 102310, 108940, 204620, 329753, 659506, 1319012, 1648765, 3297530, 4286789, 6595060, 8573578, 17147156, 21433945, 42867890, 85735780]

約数ペア:

[(1, 85735780), (2, 42867890), (4, 21433945), (5, 17147156), (10, 8573578), (13, 6595060), (20, 4286789), (26, 3297530), (52, 1648765), (65, 1319012), (130, 659506), (260, 329753), (419, 204620), (787, 108940), (838, 102310), (1574, 54470), (1676, 51155), (2095, 40924), (3148, 27235), (3935, 21788), (4190, 20462), (5447, 15740), (7870, 10894), (8380, 10231)]