15872200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 37536660

約数和(自身を除く): 21664460

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1301, 1525, 2440, 2602, 3050, 5204, 6100, 6505, 10408, 12200, 13010, 26020, 32525, 52040, 65050, 79361, 130100, 158722, 260200, 317444, 396805, 634888, 793610, 1587220, 1984025, 3174440, 3968050, 7936100, 15872200]

約数ペア:

[(1, 15872200), (2, 7936100), (4, 3968050), (5, 3174440), (8, 1984025), (10, 1587220), (20, 793610), (25, 634888), (40, 396805), (50, 317444), (61, 260200), (100, 158722), (122, 130100), (200, 79361), (244, 65050), (305, 52040), (488, 32525), (610, 26020), (1220, 13010), (1301, 12200), (1525, 10408), (2440, 6505), (2602, 6100), (3050, 5204)]