23191720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 31758680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 317, 472, 590, 620, 634, 1180, 1240, 1268, 1585, 1829, 2360, 2536, 3170, 3658, 6340, 7316, 9145, 9827, 12680, 14632, 18290, 18703, 19654, 36580, 37406, 39308, 49135, 73160, 74812, 78616, 93515, 98270, 149624, 187030, 196540, 374060, 393080, 579793, 748120, 1159586, 2319172, 2898965, 4638344, 5797930, 11595860, 23191720]

約数ペア:

[(1, 23191720), (2, 11595860), (4, 5797930), (5, 4638344), (8, 2898965), (10, 2319172), (20, 1159586), (31, 748120), (40, 579793), (59, 393080), (62, 374060), (118, 196540), (124, 187030), (155, 149624), (236, 98270), (248, 93515), (295, 78616), (310, 74812), (317, 73160), (472, 49135), (590, 39308), (620, 37406), (634, 36580), (1180, 19654), (1240, 18703), (1268, 18290), (1585, 14632), (1829, 12680), (2360, 9827), (2536, 9145), (3170, 7316), (3658, 6340)]