13126640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 32378880

約数和(自身を除く): 19252240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 79, 80, 124, 134, 155, 158, 248, 268, 310, 316, 335, 395, 496, 536, 620, 632, 670, 790, 1072, 1240, 1264, 1340, 1580, 2077, 2449, 2480, 2680, 3160, 4154, 4898, 5293, 5360, 6320, 8308, 9796, 10385, 10586, 12245, 16616, 19592, 20770, 21172, 24490, 26465, 33232, 39184, 41540, 42344, 48980, 52930, 83080, 84688, 97960, 105860, 164083, 166160, 195920, 211720, 328166, 423440, 656332, 820415, 1312664, 1640830, 2625328, 3281660, 6563320, 13126640]

約数ペア:

[(1, 13126640), (2, 6563320), (4, 3281660), (5, 2625328), (8, 1640830), (10, 1312664), (16, 820415), (20, 656332), (31, 423440), (40, 328166), (62, 211720), (67, 195920), (79, 166160), (80, 164083), (124, 105860), (134, 97960), (155, 84688), (158, 83080), (248, 52930), (268, 48980), (310, 42344), (316, 41540), (335, 39184), (395, 33232), (496, 26465), (536, 24490), (620, 21172), (632, 20770), (670, 19592), (790, 16616), (1072, 12245), (1240, 10586), (1264, 10385), (1340, 9796), (1580, 8308), (2077, 6320), (2449, 5360), (2480, 5293), (2680, 4898), (3160, 4154)]