40699900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 96104960

約数和(自身を除く): 55405060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 691, 775, 950, 1178, 1382, 1550, 1900, 2356, 2764, 2945, 3100, 3455, 5890, 6910, 11780, 13129, 13820, 14725, 17275, 21421, 26258, 29450, 34550, 42842, 52516, 58900, 65645, 69100, 85684, 107105, 131290, 214210, 262580, 328225, 406999, 428420, 535525, 656450, 813998, 1071050, 1312900, 1627996, 2034995, 2142100, 4069990, 8139980, 10174975, 20349950, 40699900]

約数ペア:

[(1, 40699900), (2, 20349950), (4, 10174975), (5, 8139980), (10, 4069990), (19, 2142100), (20, 2034995), (25, 1627996), (31, 1312900), (38, 1071050), (50, 813998), (62, 656450), (76, 535525), (95, 428420), (100, 406999), (124, 328225), (155, 262580), (190, 214210), (310, 131290), (380, 107105), (475, 85684), (589, 69100), (620, 65645), (691, 58900), (775, 52516), (950, 42842), (1178, 34550), (1382, 29450), (1550, 26258), (1900, 21421), (2356, 17275), (2764, 14725), (2945, 13820), (3100, 13129), (3455, 11780), (5890, 6910)]