39887840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13121}}^1$

素因数の和:13155

約数の個数: 48

約数和(自身を含む): 99202320

約数和(自身を除く): 59314480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 13121, 26242, 52484, 65605, 104968, 131210, 209936, 249299, 262420, 419872, 498598, 524840, 997196, 1049680, 1246495, 1994392, 2099360, 2492990, 3988784, 4985980, 7977568, 9971960, 19943920, 39887840]

約数ペア:

[(1, 39887840), (2, 19943920), (4, 9971960), (5, 7977568), (8, 4985980), (10, 3988784), (16, 2492990), (19, 2099360), (20, 1994392), (32, 1246495), (38, 1049680), (40, 997196), (76, 524840), (80, 498598), (95, 419872), (152, 262420), (160, 249299), (190, 209936), (304, 131210), (380, 104968), (608, 65605), (760, 52484), (1520, 26242), (3040, 13121)]