13867720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 33436800

約数和(自身を除く): 19569080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 257, 284, 355, 380, 514, 568, 710, 760, 1028, 1285, 1349, 1420, 2056, 2570, 2698, 2840, 4883, 5140, 5396, 6745, 9766, 10280, 10792, 13490, 18247, 19532, 24415, 26980, 36494, 39064, 48830, 53960, 72988, 91235, 97660, 145976, 182470, 195320, 346693, 364940, 693386, 729880, 1386772, 1733465, 2773544, 3466930, 6933860, 13867720]

約数ペア:

[(1, 13867720), (2, 6933860), (4, 3466930), (5, 2773544), (8, 1733465), (10, 1386772), (19, 729880), (20, 693386), (38, 364940), (40, 346693), (71, 195320), (76, 182470), (95, 145976), (142, 97660), (152, 91235), (190, 72988), (257, 53960), (284, 48830), (355, 39064), (380, 36494), (514, 26980), (568, 24415), (710, 19532), (760, 18247), (1028, 13490), (1285, 10792), (1349, 10280), (1420, 9766), (2056, 6745), (2570, 5396), (2698, 5140), (2840, 4883)]