38659790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 79252992

約数和(自身を除く): 40593202

約数列:

[1, 2, 5, 10, 13, 26, 31, 53, 62, 65, 106, 130, 155, 181, 265, 310, 362, 403, 530, 689, 806, 905, 1378, 1643, 1810, 2015, 2353, 3286, 3445, 4030, 4706, 5611, 6890, 8215, 9593, 11222, 11765, 16430, 19186, 21359, 23530, 28055, 42718, 47965, 56110, 72943, 95930, 106795, 124709, 145886, 213590, 249418, 297383, 364715, 594766, 623545, 729430, 1247090, 1486915, 2973830, 3865979, 7731958, 19329895, 38659790]

約数ペア:

[(1, 38659790), (2, 19329895), (5, 7731958), (10, 3865979), (13, 2973830), (26, 1486915), (31, 1247090), (53, 729430), (62, 623545), (65, 594766), (106, 364715), (130, 297383), (155, 249418), (181, 213590), (265, 145886), (310, 124709), (362, 106795), (403, 95930), (530, 72943), (689, 56110), (806, 47965), (905, 42718), (1378, 28055), (1643, 23530), (1810, 21359), (2015, 19186), (2353, 16430), (3286, 11765), (3445, 11222), (4030, 9593), (4706, 8215), (5611, 6890)]