13857040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 35676288

約数和(自身を除く): 21819248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 443, 460, 680, 782, 886, 920, 1360, 1564, 1772, 1840, 1955, 2215, 3128, 3544, 3910, 4430, 6256, 7088, 7531, 7820, 8860, 10189, 15062, 15640, 17720, 20378, 30124, 31280, 35440, 37655, 40756, 50945, 60248, 75310, 81512, 101890, 120496, 150620, 163024, 173213, 203780, 301240, 346426, 407560, 602480, 692852, 815120, 866065, 1385704, 1732130, 2771408, 3464260, 6928520, 13857040]

約数ペア:

[(1, 13857040), (2, 6928520), (4, 3464260), (5, 2771408), (8, 1732130), (10, 1385704), (16, 866065), (17, 815120), (20, 692852), (23, 602480), (34, 407560), (40, 346426), (46, 301240), (68, 203780), (80, 173213), (85, 163024), (92, 150620), (115, 120496), (136, 101890), (170, 81512), (184, 75310), (230, 60248), (272, 50945), (340, 40756), (368, 37655), (391, 35440), (443, 31280), (460, 30124), (680, 20378), (782, 17720), (886, 15640), (920, 15062), (1360, 10189), (1564, 8860), (1772, 7820), (1840, 7531), (1955, 7088), (2215, 6256), (3128, 4430), (3544, 3910)]