3898710040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{39799}}^1$

素因数の和:39920

約数の個数: 64

約数和(自身を含む): 9169920000

約数和(自身を除く): 5271209960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2449, 3160, 4898, 9796, 12245, 19592, 24490, 39799, 48980, 79598, 97960, 159196, 198995, 318392, 397990, 795980, 1233769, 1591960, 2467538, 3144121, 4935076, 6168845, 6288242, 9870152, 12337690, 12576484, 15720605, 24675380, 25152968, 31441210, 49350760, 62882420, 97467751, 125764840, 194935502, 389871004, 487338755, 779742008, 974677510, 1949355020, 3898710040]

約数ペア:

[(1, 3898710040), (2, 1949355020), (4, 974677510), (5, 779742008), (8, 487338755), (10, 389871004), (20, 194935502), (31, 125764840), (40, 97467751), (62, 62882420), (79, 49350760), (124, 31441210), (155, 25152968), (158, 24675380), (248, 15720605), (310, 12576484), (316, 12337690), (395, 9870152), (620, 6288242), (632, 6168845), (790, 4935076), (1240, 3144121), (1580, 2467538), (2449, 1591960), (3160, 1233769), (4898, 795980), (9796, 397990), (12245, 318392), (19592, 198995), (24490, 159196), (39799, 97960), (48980, 79598)]