39095920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 102783600

約数和(自身を除く): 63687680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 89, 95, 136, 152, 170, 178, 190, 272, 289, 304, 323, 340, 356, 380, 445, 578, 646, 680, 712, 760, 890, 1156, 1292, 1360, 1424, 1445, 1513, 1520, 1615, 1691, 1780, 2312, 2584, 2890, 3026, 3230, 3382, 3560, 4624, 5168, 5491, 5780, 6052, 6460, 6764, 7120, 7565, 8455, 10982, 11560, 12104, 12920, 13528, 15130, 16910, 21964, 23120, 24208, 25721, 25840, 27056, 27455, 28747, 30260, 33820, 43928, 51442, 54910, 57494, 60520, 67640, 87856, 102884, 109820, 114988, 121040, 128605, 135280, 143735, 205768, 219640, 229976, 257210, 287470, 411536, 439280, 459952, 488699, 514420, 574940, 977398, 1028840, 1149880, 1954796, 2057680, 2299760, 2443495, 3909592, 4886990, 7819184, 9773980, 19547960, 39095920]

約数ペア:

[(1, 39095920), (2, 19547960), (4, 9773980), (5, 7819184), (8, 4886990), (10, 3909592), (16, 2443495), (17, 2299760), (19, 2057680), (20, 1954796), (34, 1149880), (38, 1028840), (40, 977398), (68, 574940), (76, 514420), (80, 488699), (85, 459952), (89, 439280), (95, 411536), (136, 287470), (152, 257210), (170, 229976), (178, 219640), (190, 205768), (272, 143735), (289, 135280), (304, 128605), (323, 121040), (340, 114988), (356, 109820), (380, 102884), (445, 87856), (578, 67640), (646, 60520), (680, 57494), (712, 54910), (760, 51442), (890, 43928), (1156, 33820), (1292, 30260), (1360, 28747), (1424, 27455), (1445, 27056), (1513, 25840), (1520, 25721), (1615, 24208), (1691, 23120), (1780, 21964), (2312, 16910), (2584, 15130), (2890, 13528), (3026, 12920), (3230, 12104), (3382, 11560), (3560, 10982), (4624, 8455), (5168, 7565), (5491, 7120), (5780, 6764), (6052, 6460)]