72166250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4441}}^1$

素因数の和:4476

約数の個数: 40

約数和(自身を含む): 145706484

約数和(自身を除く): 73540234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 4441, 8125, 8882, 16250, 22205, 44410, 57733, 111025, 115466, 222050, 288665, 555125, 577330, 1110250, 1443325, 2775625, 2886650, 5551250, 7216625, 14433250, 36083125, 72166250]

約数ペア:

[(1, 72166250), (2, 36083125), (5, 14433250), (10, 7216625), (13, 5551250), (25, 2886650), (26, 2775625), (50, 1443325), (65, 1110250), (125, 577330), (130, 555125), (250, 288665), (325, 222050), (625, 115466), (650, 111025), (1250, 57733), (1625, 44410), (3250, 22205), (4441, 16250), (8125, 8882)]