61719800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{5059}}^1$

素因数の和:5136

約数の個数: 48

約数和(自身を含む): 145879800

約数和(自身を除く): 84160000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 5059, 6100, 10118, 12200, 20236, 25295, 40472, 50590, 101180, 126475, 202360, 252950, 308599, 505900, 617198, 1011800, 1234396, 1542995, 2468792, 3085990, 6171980, 7714975, 12343960, 15429950, 30859900, 61719800]

約数ペア:

[(1, 61719800), (2, 30859900), (4, 15429950), (5, 12343960), (8, 7714975), (10, 6171980), (20, 3085990), (25, 2468792), (40, 1542995), (50, 1234396), (61, 1011800), (100, 617198), (122, 505900), (200, 308599), (244, 252950), (305, 202360), (488, 126475), (610, 101180), (1220, 50590), (1525, 40472), (2440, 25295), (3050, 20236), (5059, 12200), (6100, 10118)]