31897760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 79833600

約数和(自身を除く): 47935840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 80, 109, 118, 124, 155, 160, 218, 236, 248, 295, 310, 436, 472, 496, 545, 590, 620, 872, 944, 992, 1090, 1180, 1240, 1744, 1829, 1888, 2180, 2360, 2480, 3379, 3488, 3658, 4360, 4720, 4960, 6431, 6758, 7316, 8720, 9145, 9440, 12862, 13516, 14632, 16895, 17440, 18290, 25724, 27032, 29264, 32155, 33790, 36580, 51448, 54064, 58528, 64310, 67580, 73160, 102896, 108128, 128620, 135160, 146320, 199361, 205792, 257240, 270320, 292640, 398722, 514480, 540640, 797444, 996805, 1028960, 1594888, 1993610, 3189776, 3987220, 6379552, 7974440, 15948880, 31897760]

約数ペア:

[(1, 31897760), (2, 15948880), (4, 7974440), (5, 6379552), (8, 3987220), (10, 3189776), (16, 1993610), (20, 1594888), (31, 1028960), (32, 996805), (40, 797444), (59, 540640), (62, 514480), (80, 398722), (109, 292640), (118, 270320), (124, 257240), (155, 205792), (160, 199361), (218, 146320), (236, 135160), (248, 128620), (295, 108128), (310, 102896), (436, 73160), (472, 67580), (496, 64310), (545, 58528), (590, 54064), (620, 51448), (872, 36580), (944, 33790), (992, 32155), (1090, 29264), (1180, 27032), (1240, 25724), (1744, 18290), (1829, 17440), (1888, 16895), (2180, 14632), (2360, 13516), (2480, 12862), (3379, 9440), (3488, 9145), (3658, 8720), (4360, 7316), (4720, 6758), (4960, 6431)]