123575920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3833}}^1$

素因数の和:3890

約数の個数: 80

約数和(自身を含む): 319479552

約数和(自身を除く): 195903632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 3833, 4030, 6448, 7666, 8060, 15332, 16120, 19165, 30664, 32240, 38330, 49829, 61328, 76660, 99658, 118823, 153320, 199316, 237646, 249145, 306640, 398632, 475292, 498290, 594115, 797264, 950584, 996580, 1188230, 1544699, 1901168, 1993160, 2376460, 3089398, 3986320, 4752920, 6178796, 7723495, 9505840, 12357592, 15446990, 24715184, 30893980, 61787960, 123575920]

約数ペア:

[(1, 123575920), (2, 61787960), (4, 30893980), (5, 24715184), (8, 15446990), (10, 12357592), (13, 9505840), (16, 7723495), (20, 6178796), (26, 4752920), (31, 3986320), (40, 3089398), (52, 2376460), (62, 1993160), (65, 1901168), (80, 1544699), (104, 1188230), (124, 996580), (130, 950584), (155, 797264), (208, 594115), (248, 498290), (260, 475292), (310, 398632), (403, 306640), (496, 249145), (520, 237646), (620, 199316), (806, 153320), (1040, 118823), (1240, 99658), (1612, 76660), (2015, 61328), (2480, 49829), (3224, 38330), (3833, 32240), (4030, 30664), (6448, 19165), (7666, 16120), (8060, 15332)]