25191960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 81881280

約数和(自身を除く): 56689320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 53, 60, 68, 85, 102, 106, 120, 136, 159, 170, 204, 212, 233, 255, 265, 318, 340, 408, 424, 466, 510, 530, 636, 680, 699, 795, 901, 932, 1020, 1060, 1165, 1272, 1398, 1590, 1802, 1864, 2040, 2120, 2330, 2703, 2796, 3180, 3495, 3604, 3961, 4505, 4660, 5406, 5592, 6360, 6990, 7208, 7922, 9010, 9320, 10812, 11883, 12349, 13515, 13980, 15844, 18020, 19805, 21624, 23766, 24698, 27030, 27960, 31688, 36040, 37047, 39610, 47532, 49396, 54060, 59415, 61745, 74094, 79220, 95064, 98792, 108120, 118830, 123490, 148188, 158440, 185235, 209933, 237660, 246980, 296376, 370470, 419866, 475320, 493960, 629799, 740940, 839732, 1049665, 1259598, 1481880, 1679464, 2099330, 2519196, 3148995, 4198660, 5038392, 6297990, 8397320, 12595980, 25191960]

約数ペア:

[(1, 25191960), (2, 12595980), (3, 8397320), (4, 6297990), (5, 5038392), (6, 4198660), (8, 3148995), (10, 2519196), (12, 2099330), (15, 1679464), (17, 1481880), (20, 1259598), (24, 1049665), (30, 839732), (34, 740940), (40, 629799), (51, 493960), (53, 475320), (60, 419866), (68, 370470), (85, 296376), (102, 246980), (106, 237660), (120, 209933), (136, 185235), (159, 158440), (170, 148188), (204, 123490), (212, 118830), (233, 108120), (255, 98792), (265, 95064), (318, 79220), (340, 74094), (408, 61745), (424, 59415), (466, 54060), (510, 49396), (530, 47532), (636, 39610), (680, 37047), (699, 36040), (795, 31688), (901, 27960), (932, 27030), (1020, 24698), (1060, 23766), (1165, 21624), (1272, 19805), (1398, 18020), (1590, 15844), (1802, 13980), (1864, 13515), (2040, 12349), (2120, 11883), (2330, 10812), (2703, 9320), (2796, 9010), (3180, 7922), (3495, 7208), (3604, 6990), (3961, 6360), (4505, 5592), (4660, 5406)]