168697040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68023}}^1$

素因数の和:68067

約数の個数: 40

約数和(自身を含む): 404878848

約数和(自身を除く): 236181808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 68023, 136046, 272092, 340115, 544184, 680230, 1088368, 1360460, 2108713, 2720920, 4217426, 5441840, 8434852, 10543565, 16869704, 21087130, 33739408, 42174260, 84348520, 168697040]

約数ペア:

[(1, 168697040), (2, 84348520), (4, 42174260), (5, 33739408), (8, 21087130), (10, 16869704), (16, 10543565), (20, 8434852), (31, 5441840), (40, 4217426), (62, 2720920), (80, 2108713), (124, 1360460), (155, 1088368), (248, 680230), (310, 544184), (496, 340115), (620, 272092), (1240, 136046), (2480, 68023)]