25200080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 62942400

約数和(自身を除く): 37742320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 281, 295, 304, 380, 472, 562, 590, 760, 944, 1121, 1124, 1180, 1405, 1520, 2242, 2248, 2360, 2810, 4484, 4496, 4720, 5339, 5605, 5620, 8968, 10678, 11210, 11240, 16579, 17936, 21356, 22420, 22480, 26695, 33158, 42712, 44840, 53390, 66316, 82895, 85424, 89680, 106780, 132632, 165790, 213560, 265264, 315001, 331580, 427120, 630002, 663160, 1260004, 1326320, 1575005, 2520008, 3150010, 5040016, 6300020, 12600040, 25200080]

約数ペア:

[(1, 25200080), (2, 12600040), (4, 6300020), (5, 5040016), (8, 3150010), (10, 2520008), (16, 1575005), (19, 1326320), (20, 1260004), (38, 663160), (40, 630002), (59, 427120), (76, 331580), (80, 315001), (95, 265264), (118, 213560), (152, 165790), (190, 132632), (236, 106780), (281, 89680), (295, 85424), (304, 82895), (380, 66316), (472, 53390), (562, 44840), (590, 42712), (760, 33158), (944, 26695), (1121, 22480), (1124, 22420), (1180, 21356), (1405, 17936), (1520, 16579), (2242, 11240), (2248, 11210), (2360, 10678), (2810, 8968), (4484, 5620), (4496, 5605), (4720, 5339)]