81849800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6709}}^1$

素因数の和:6786

約数の個数: 48

約数和(自身を含む): 193449300

約数和(自身を除く): 111599500

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, 6100, 6709, 12200, 13418, 26836, 33545, 53672, 67090, 134180, 167725, 268360, 335450, 409249, 670900, 818498, 1341800, 1636996, 2046245, 3273992, 4092490, 8184980, 10231225, 16369960, 20462450, 40924900, 81849800]

約数ペア:

[(1, 81849800), (2, 40924900), (4, 20462450), (5, 16369960), (8, 10231225), (10, 8184980), (20, 4092490), (25, 3273992), (40, 2046245), (50, 1636996), (61, 1341800), (100, 818498), (122, 670900), (200, 409249), (244, 335450), (305, 268360), (488, 167725), (610, 134180), (1220, 67090), (1525, 53672), (2440, 33545), (3050, 26836), (6100, 13418), (6709, 12200)]