4212280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 10137600

約数和(自身を除く): 5925320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 79, 86, 124, 155, 158, 172, 215, 248, 310, 316, 344, 395, 430, 620, 632, 790, 860, 1240, 1333, 1580, 1720, 2449, 2666, 3160, 3397, 4898, 5332, 6665, 6794, 9796, 10664, 12245, 13330, 13588, 16985, 19592, 24490, 26660, 27176, 33970, 48980, 53320, 67940, 97960, 105307, 135880, 210614, 421228, 526535, 842456, 1053070, 2106140, 4212280]

約数ペア:

[(1, 4212280), (2, 2106140), (4, 1053070), (5, 842456), (8, 526535), (10, 421228), (20, 210614), (31, 135880), (40, 105307), (43, 97960), (62, 67940), (79, 53320), (86, 48980), (124, 33970), (155, 27176), (158, 26660), (172, 24490), (215, 19592), (248, 16985), (310, 13588), (316, 13330), (344, 12245), (395, 10664), (430, 9796), (620, 6794), (632, 6665), (790, 5332), (860, 4898), (1240, 3397), (1333, 3160), (1580, 2666), (1720, 2449)]