629679440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19531}}^1$

素因数の和:19588

約数の個数: 80

約数和(自身を含む): 1627562496

約数和(自身を除く): 997883056

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, 19531, 32240, 39062, 78124, 97655, 156248, 195310, 253903, 312496, 390620, 507806, 605461, 781240, 1015612, 1210922, 1269515, 1562480, 2031224, 2421844, 2539030, 3027305, 4062448, 4843688, 5078060, 6054610, 7870993, 9687376, 10156120, 12109220, 15741986, 20312240, 24218440, 31483972, 39354965, 48436880, 62967944, 78709930, 125935888, 157419860, 314839720, 629679440]

約数ペア:

[(1, 629679440), (2, 314839720), (4, 157419860), (5, 125935888), (8, 78709930), (10, 62967944), (13, 48436880), (16, 39354965), (20, 31483972), (26, 24218440), (31, 20312240), (40, 15741986), (52, 12109220), (62, 10156120), (65, 9687376), (80, 7870993), (104, 6054610), (124, 5078060), (130, 4843688), (155, 4062448), (208, 3027305), (248, 2539030), (260, 2421844), (310, 2031224), (403, 1562480), (496, 1269515), (520, 1210922), (620, 1015612), (806, 781240), (1040, 605461), (1240, 507806), (1612, 390620), (2015, 312496), (2480, 253903), (3224, 195310), (4030, 156248), (6448, 97655), (8060, 78124), (16120, 39062), (19531, 32240)]