158204020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{983}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 358727040

約数和(自身を除く): 200523020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 619, 983, 1238, 1966, 2476, 3095, 3932, 4915, 6190, 8047, 9830, 12380, 12779, 16094, 19660, 25558, 32188, 40235, 51116, 63895, 80470, 127790, 160940, 255580, 608477, 1216954, 2433908, 3042385, 6084770, 7910201, 12169540, 15820402, 31640804, 39551005, 79102010, 158204020]

約数ペア:

[(1, 158204020), (2, 79102010), (4, 39551005), (5, 31640804), (10, 15820402), (13, 12169540), (20, 7910201), (26, 6084770), (52, 3042385), (65, 2433908), (130, 1216954), (260, 608477), (619, 255580), (983, 160940), (1238, 127790), (1966, 80470), (2476, 63895), (3095, 51116), (3932, 40235), (4915, 32188), (6190, 25558), (8047, 19660), (9830, 16094), (12380, 12779)]