1966672240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61001}}^1$

素因数の和:61058

約数の個数: 80

約数和(自身を含む): 5083174656

約数和(自身を除く): 3116502416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 61001, 122002, 244004, 305005, 488008, 610010, 793013, 976016, 1220020, 1586026, 1891031, 2440040, 3172052, 3782062, 3965065, 4880080, 6344104, 7564124, 7930130, 9455155, 12688208, 15128248, 15860260, 18910310, 24583403, 30256496, 31720520, 37820620, 49166806, 63441040, 75641240, 98333612, 122917015, 151282480, 196667224, 245834030, 393334448, 491668060, 983336120, 1966672240]

約数ペア:

[(1, 1966672240), (2, 983336120), (4, 491668060), (5, 393334448), (8, 245834030), (10, 196667224), (13, 151282480), (16, 122917015), (20, 98333612), (26, 75641240), (31, 63441040), (40, 49166806), (52, 37820620), (62, 31720520), (65, 30256496), (80, 24583403), (104, 18910310), (124, 15860260), (130, 15128248), (155, 12688208), (208, 9455155), (248, 7930130), (260, 7564124), (310, 6344104), (403, 4880080), (496, 3965065), (520, 3782062), (620, 3172052), (806, 2440040), (1040, 1891031), (1240, 1586026), (1612, 1220020), (2015, 976016), (2480, 793013), (3224, 610010), (4030, 488008), (6448, 305005), (8060, 244004), (16120, 122002), (32240, 61001)]