99611980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{2267}}^1$

素因数の和:2315

約数の個数: 48

約数和(自身を含む): 226709280

約数和(自身を除く): 127097300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 2267, 3380, 4394, 4534, 8788, 9068, 10985, 11335, 21970, 22670, 29471, 43940, 45340, 58942, 117884, 147355, 294710, 383123, 589420, 766246, 1532492, 1915615, 3831230, 4980599, 7662460, 9961198, 19922396, 24902995, 49805990, 99611980]

約数ペア:

[(1, 99611980), (2, 49805990), (4, 24902995), (5, 19922396), (10, 9961198), (13, 7662460), (20, 4980599), (26, 3831230), (52, 1915615), (65, 1532492), (130, 766246), (169, 589420), (260, 383123), (338, 294710), (676, 147355), (845, 117884), (1690, 58942), (2197, 45340), (2267, 43940), (3380, 29471), (4394, 22670), (4534, 21970), (8788, 11335), (9068, 10985)]