38440040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 93571200

約数和(自身を除く): 55131160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1367, 1406, 1480, 2734, 2812, 3515, 5468, 5624, 6835, 7030, 10936, 13670, 14060, 25973, 27340, 28120, 50579, 51946, 54680, 101158, 103892, 129865, 202316, 207784, 252895, 259730, 404632, 505790, 519460, 961001, 1011580, 1038920, 1922002, 2023160, 3844004, 4805005, 7688008, 9610010, 19220020, 38440040]

約数ペア:

[(1, 38440040), (2, 19220020), (4, 9610010), (5, 7688008), (8, 4805005), (10, 3844004), (19, 2023160), (20, 1922002), (37, 1038920), (38, 1011580), (40, 961001), (74, 519460), (76, 505790), (95, 404632), (148, 259730), (152, 252895), (185, 207784), (190, 202316), (296, 129865), (370, 103892), (380, 101158), (703, 54680), (740, 51946), (760, 50579), (1367, 28120), (1406, 27340), (1480, 25973), (2734, 14060), (2812, 13670), (3515, 10936), (5468, 7030), (5624, 6835)]