40393000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 97643520

約数和(自身を除く): 57250520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1000, 1240, 1303, 1550, 2606, 3100, 3875, 5212, 6200, 6515, 7750, 10424, 13030, 15500, 26060, 31000, 32575, 40393, 52120, 65150, 80786, 130300, 161572, 162875, 201965, 260600, 323144, 325750, 403930, 651500, 807860, 1009825, 1303000, 1615720, 2019650, 4039300, 5049125, 8078600, 10098250, 20196500, 40393000]

約数ペア:

[(1, 40393000), (2, 20196500), (4, 10098250), (5, 8078600), (8, 5049125), (10, 4039300), (20, 2019650), (25, 1615720), (31, 1303000), (40, 1009825), (50, 807860), (62, 651500), (100, 403930), (124, 325750), (125, 323144), (155, 260600), (200, 201965), (248, 162875), (250, 161572), (310, 130300), (500, 80786), (620, 65150), (775, 52120), (1000, 40393), (1240, 32575), (1303, 31000), (1550, 26060), (2606, 15500), (3100, 13030), (3875, 10424), (5212, 7750), (6200, 6515)]