12810880

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 31511880

約数和(自身を除く): 18701000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 541, 592, 640, 740, 1082, 1184, 1480, 2164, 2368, 2705, 2960, 4328, 4736, 5410, 5920, 8656, 10820, 11840, 17312, 20017, 21640, 23680, 34624, 40034, 43280, 69248, 80068, 86560, 100085, 160136, 173120, 200170, 320272, 346240, 400340, 640544, 800680, 1281088, 1601360, 2562176, 3202720, 6405440, 12810880]

約数ペア:

[(1, 12810880), (2, 6405440), (4, 3202720), (5, 2562176), (8, 1601360), (10, 1281088), (16, 800680), (20, 640544), (32, 400340), (37, 346240), (40, 320272), (64, 200170), (74, 173120), (80, 160136), (128, 100085), (148, 86560), (160, 80068), (185, 69248), (296, 43280), (320, 40034), (370, 34624), (541, 23680), (592, 21640), (640, 20017), (740, 17312), (1082, 11840), (1184, 10820), (1480, 8656), (2164, 5920), (2368, 5410), (2705, 4736), (2960, 4328)]