18100240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13309}}^1$

素因数の和:13339

約数の個数: 40

約数和(自身を含む): 44561880

約数和(自身を除く): 26461640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13309, 26618, 53236, 66545, 106472, 133090, 212944, 226253, 266180, 452506, 532360, 905012, 1064720, 1131265, 1810024, 2262530, 3620048, 4525060, 9050120, 18100240]

約数ペア:

[(1, 18100240), (2, 9050120), (4, 4525060), (5, 3620048), (8, 2262530), (10, 1810024), (16, 1131265), (17, 1064720), (20, 905012), (34, 532360), (40, 452506), (68, 266180), (80, 226253), (85, 212944), (136, 133090), (170, 106472), (272, 66545), (340, 53236), (680, 26618), (1360, 13309)]