87237320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35753}}^1$

素因数の和:35825

約数の個数: 32

約数和(自身を含む): 199507320

約数和(自身を除く): 112270000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 35753, 71506, 143012, 178765, 286024, 357530, 715060, 1430120, 2180933, 4361866, 8723732, 10904665, 17447464, 21809330, 43618660, 87237320]

約数ペア:

[(1, 87237320), (2, 43618660), (4, 21809330), (5, 17447464), (8, 10904665), (10, 8723732), (20, 4361866), (40, 2180933), (61, 1430120), (122, 715060), (244, 357530), (305, 286024), (488, 178765), (610, 143012), (1220, 71506), (2440, 35753)]