20162680240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8130113}}^1$

素因数の和:8130157

約数の個数: 40

約数和(自身を含む): 48390438528

約数和(自身を除く): 28227758288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8130113, 16260226, 32520452, 40650565, 65040904, 81301130, 130081808, 162602260, 252033503, 325204520, 504067006, 650409040, 1008134012, 1260167515, 2016268024, 2520335030, 4032536048, 5040670060, 10081340120, 20162680240]

約数ペア:

[(1, 20162680240), (2, 10081340120), (4, 5040670060), (5, 4032536048), (8, 2520335030), (10, 2016268024), (16, 1260167515), (20, 1008134012), (31, 650409040), (40, 504067006), (62, 325204520), (80, 252033503), (124, 162602260), (155, 130081808), (248, 81301130), (310, 65040904), (496, 40650565), (620, 32520452), (1240, 16260226), (2480, 8130113)]