39907600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 103788000

約数和(自身を除く): 63880400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 59, 76, 80, 89, 95, 100, 118, 152, 178, 190, 200, 236, 295, 304, 356, 380, 400, 445, 472, 475, 590, 712, 760, 890, 944, 950, 1121, 1180, 1424, 1475, 1520, 1691, 1780, 1900, 2225, 2242, 2360, 2950, 3382, 3560, 3800, 4450, 4484, 4720, 5251, 5605, 5900, 6764, 7120, 7600, 8455, 8900, 8968, 10502, 11210, 11800, 13528, 16910, 17800, 17936, 21004, 22420, 23600, 26255, 27056, 28025, 33820, 35600, 42008, 42275, 44840, 52510, 56050, 67640, 84016, 84550, 89680, 99769, 105020, 112100, 131275, 135280, 169100, 199538, 210040, 224200, 262550, 338200, 399076, 420080, 448400, 498845, 525100, 676400, 798152, 997690, 1050200, 1596304, 1995380, 2100400, 2494225, 3990760, 4988450, 7981520, 9976900, 19953800, 39907600]

約数ペア:

[(1, 39907600), (2, 19953800), (4, 9976900), (5, 7981520), (8, 4988450), (10, 3990760), (16, 2494225), (19, 2100400), (20, 1995380), (25, 1596304), (38, 1050200), (40, 997690), (50, 798152), (59, 676400), (76, 525100), (80, 498845), (89, 448400), (95, 420080), (100, 399076), (118, 338200), (152, 262550), (178, 224200), (190, 210040), (200, 199538), (236, 169100), (295, 135280), (304, 131275), (356, 112100), (380, 105020), (400, 99769), (445, 89680), (472, 84550), (475, 84016), (590, 67640), (712, 56050), (760, 52510), (890, 44840), (944, 42275), (950, 42008), (1121, 35600), (1180, 33820), (1424, 28025), (1475, 27056), (1520, 26255), (1691, 23600), (1780, 22420), (1900, 21004), (2225, 17936), (2242, 17800), (2360, 16910), (2950, 13528), (3382, 11800), (3560, 11210), (3800, 10502), (4450, 8968), (4484, 8900), (4720, 8455), (5251, 7600), (5605, 7120), (5900, 6764)]