26399360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 71971200

約数和(自身を除く): 45571840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 167, 190, 208, 247, 260, 304, 320, 334, 380, 416, 494, 520, 608, 640, 668, 760, 832, 835, 988, 1040, 1216, 1235, 1336, 1520, 1664, 1670, 1976, 2080, 2171, 2432, 2470, 2672, 3040, 3173, 3340, 3952, 4160, 4342, 4940, 5344, 6080, 6346, 6680, 7904, 8320, 8684, 9880, 10688, 10855, 12160, 12692, 13360, 15808, 15865, 17368, 19760, 21376, 21710, 25384, 26720, 31616, 31730, 34736, 39520, 41249, 43420, 50768, 53440, 63460, 69472, 79040, 82498, 86840, 101536, 106880, 126920, 138944, 158080, 164996, 173680, 203072, 206245, 253840, 277888, 329992, 347360, 406144, 412490, 507680, 659984, 694720, 824980, 1015360, 1319968, 1389440, 1649960, 2030720, 2639936, 3299920, 5279872, 6599840, 13199680, 26399360]

約数ペア:

[(1, 26399360), (2, 13199680), (4, 6599840), (5, 5279872), (8, 3299920), (10, 2639936), (13, 2030720), (16, 1649960), (19, 1389440), (20, 1319968), (26, 1015360), (32, 824980), (38, 694720), (40, 659984), (52, 507680), (64, 412490), (65, 406144), (76, 347360), (80, 329992), (95, 277888), (104, 253840), (128, 206245), (130, 203072), (152, 173680), (160, 164996), (167, 158080), (190, 138944), (208, 126920), (247, 106880), (260, 101536), (304, 86840), (320, 82498), (334, 79040), (380, 69472), (416, 63460), (494, 53440), (520, 50768), (608, 43420), (640, 41249), (668, 39520), (760, 34736), (832, 31730), (835, 31616), (988, 26720), (1040, 25384), (1216, 21710), (1235, 21376), (1336, 19760), (1520, 17368), (1664, 15865), (1670, 15808), (1976, 13360), (2080, 12692), (2171, 12160), (2432, 10855), (2470, 10688), (2672, 9880), (3040, 8684), (3173, 8320), (3340, 7904), (3952, 6680), (4160, 6346), (4342, 6080), (4940, 5344)]