71972080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29021}}^1$

素因数の和:29065

約数の個数: 40

約数和(自身を含む): 172738944

約数和(自身を除く): 100766864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 29021, 58042, 116084, 145105, 232168, 290210, 464336, 580420, 899651, 1160840, 1799302, 2321680, 3598604, 4498255, 7197208, 8996510, 14394416, 17993020, 35986040, 71972080]

約数ペア:

[(1, 71972080), (2, 35986040), (4, 17993020), (5, 14394416), (8, 8996510), (10, 7197208), (16, 4498255), (20, 3598604), (31, 2321680), (40, 1799302), (62, 1160840), (80, 899651), (124, 580420), (155, 464336), (248, 290210), (310, 232168), (496, 145105), (620, 116084), (1240, 58042), (2480, 29021)]