22723720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 53121600

約数和(自身を除く): 30397880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 139, 244, 268, 278, 305, 335, 488, 536, 556, 610, 670, 695, 1112, 1220, 1340, 1390, 2440, 2680, 2780, 4087, 5560, 8174, 8479, 9313, 16348, 16958, 18626, 20435, 32696, 33916, 37252, 40870, 42395, 46565, 67832, 74504, 81740, 84790, 93130, 163480, 169580, 186260, 339160, 372520, 568093, 1136186, 2272372, 2840465, 4544744, 5680930, 11361860, 22723720]

約数ペア:

[(1, 22723720), (2, 11361860), (4, 5680930), (5, 4544744), (8, 2840465), (10, 2272372), (20, 1136186), (40, 568093), (61, 372520), (67, 339160), (122, 186260), (134, 169580), (139, 163480), (244, 93130), (268, 84790), (278, 81740), (305, 74504), (335, 67832), (488, 46565), (536, 42395), (556, 40870), (610, 37252), (670, 33916), (695, 32696), (1112, 20435), (1220, 18626), (1340, 16958), (1390, 16348), (2440, 9313), (2680, 8479), (2780, 8174), (4087, 5560)]