90162020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{601}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 204598128

約数和(自身を除く): 114436108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 577, 601, 1154, 1202, 2308, 2404, 2885, 3005, 5770, 6010, 7501, 7813, 11540, 12020, 15002, 15626, 30004, 31252, 37505, 39065, 75010, 78130, 150020, 156260, 346777, 693554, 1387108, 1733885, 3467770, 4508101, 6935540, 9016202, 18032404, 22540505, 45081010, 90162020]

約数ペア:

[(1, 90162020), (2, 45081010), (4, 22540505), (5, 18032404), (10, 9016202), (13, 6935540), (20, 4508101), (26, 3467770), (52, 1733885), (65, 1387108), (130, 693554), (260, 346777), (577, 156260), (601, 150020), (1154, 78130), (1202, 75010), (2308, 39065), (2404, 37505), (2885, 31252), (3005, 30004), (5770, 15626), (6010, 15002), (7501, 12020), (7813, 11540)]