28634080

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 73156608

約数和(自身を除く): 44522528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 80, 92, 115, 124, 155, 160, 184, 230, 248, 251, 310, 368, 460, 496, 502, 620, 713, 736, 920, 992, 1004, 1240, 1255, 1426, 1840, 2008, 2480, 2510, 2852, 3565, 3680, 4016, 4960, 5020, 5704, 5773, 7130, 7781, 8032, 10040, 11408, 11546, 14260, 15562, 20080, 22816, 23092, 28520, 28865, 31124, 38905, 40160, 46184, 57040, 57730, 62248, 77810, 92368, 114080, 115460, 124496, 155620, 178963, 184736, 230920, 248992, 311240, 357926, 461840, 622480, 715852, 894815, 923680, 1244960, 1431704, 1789630, 2863408, 3579260, 5726816, 7158520, 14317040, 28634080]

約数ペア:

[(1, 28634080), (2, 14317040), (4, 7158520), (5, 5726816), (8, 3579260), (10, 2863408), (16, 1789630), (20, 1431704), (23, 1244960), (31, 923680), (32, 894815), (40, 715852), (46, 622480), (62, 461840), (80, 357926), (92, 311240), (115, 248992), (124, 230920), (155, 184736), (160, 178963), (184, 155620), (230, 124496), (248, 115460), (251, 114080), (310, 92368), (368, 77810), (460, 62248), (496, 57730), (502, 57040), (620, 46184), (713, 40160), (736, 38905), (920, 31124), (992, 28865), (1004, 28520), (1240, 23092), (1255, 22816), (1426, 20080), (1840, 15562), (2008, 14260), (2480, 11546), (2510, 11408), (2852, 10040), (3565, 8032), (3680, 7781), (4016, 7130), (4960, 5773), (5020, 5704)]