25268720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 63424512

約数和(自身を除く): 38155792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 443, 460, 496, 620, 713, 886, 920, 1240, 1426, 1772, 1840, 2215, 2480, 2852, 3544, 3565, 4430, 5704, 7088, 7130, 8860, 10189, 11408, 13733, 14260, 17720, 20378, 27466, 28520, 35440, 40756, 50945, 54932, 57040, 68665, 81512, 101890, 109864, 137330, 163024, 203780, 219728, 274660, 315859, 407560, 549320, 631718, 815120, 1098640, 1263436, 1579295, 2526872, 3158590, 5053744, 6317180, 12634360, 25268720]

約数ペア:

[(1, 25268720), (2, 12634360), (4, 6317180), (5, 5053744), (8, 3158590), (10, 2526872), (16, 1579295), (20, 1263436), (23, 1098640), (31, 815120), (40, 631718), (46, 549320), (62, 407560), (80, 315859), (92, 274660), (115, 219728), (124, 203780), (155, 163024), (184, 137330), (230, 109864), (248, 101890), (310, 81512), (368, 68665), (443, 57040), (460, 54932), (496, 50945), (620, 40756), (713, 35440), (886, 28520), (920, 27466), (1240, 20378), (1426, 17720), (1772, 14260), (1840, 13733), (2215, 11408), (2480, 10189), (2852, 8860), (3544, 7130), (3565, 7088), (4430, 5704)]