13988750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 60

約数和(自身を含む): 28565856

約数和(自身を除く): 14577106

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 125, 155, 190, 250, 310, 361, 475, 589, 625, 722, 775, 950, 1178, 1250, 1550, 1805, 2375, 2945, 3610, 3875, 4750, 5890, 7750, 9025, 11191, 11875, 14725, 18050, 19375, 22382, 23750, 29450, 38750, 45125, 55955, 73625, 90250, 111910, 147250, 225625, 279775, 368125, 451250, 559550, 736250, 1398875, 2797750, 6994375, 13988750]

約数ペア:

[(1, 13988750), (2, 6994375), (5, 2797750), (10, 1398875), (19, 736250), (25, 559550), (31, 451250), (38, 368125), (50, 279775), (62, 225625), (95, 147250), (125, 111910), (155, 90250), (190, 73625), (250, 55955), (310, 45125), (361, 38750), (475, 29450), (589, 23750), (625, 22382), (722, 19375), (775, 18050), (950, 14725), (1178, 11875), (1250, 11191), (1550, 9025), (1805, 7750), (2375, 5890), (2945, 4750), (3610, 3875)]