27919840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 73495296

約数和(自身を除く): 45575456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 433, 496, 520, 620, 806, 866, 992, 1040, 1240, 1612, 1732, 2015, 2080, 2165, 2480, 3224, 3464, 4030, 4330, 4960, 5629, 6448, 6928, 8060, 8660, 11258, 12896, 13423, 13856, 16120, 17320, 22516, 26846, 28145, 32240, 34640, 45032, 53692, 56290, 64480, 67115, 69280, 90064, 107384, 112580, 134230, 174499, 180128, 214768, 225160, 268460, 348998, 429536, 450320, 536920, 697996, 872495, 900640, 1073840, 1395992, 1744990, 2147680, 2791984, 3489980, 5583968, 6979960, 13959920, 27919840]

約数ペア:

[(1, 27919840), (2, 13959920), (4, 6979960), (5, 5583968), (8, 3489980), (10, 2791984), (13, 2147680), (16, 1744990), (20, 1395992), (26, 1073840), (31, 900640), (32, 872495), (40, 697996), (52, 536920), (62, 450320), (65, 429536), (80, 348998), (104, 268460), (124, 225160), (130, 214768), (155, 180128), (160, 174499), (208, 134230), (248, 112580), (260, 107384), (310, 90064), (403, 69280), (416, 67115), (433, 64480), (496, 56290), (520, 53692), (620, 45032), (806, 34640), (866, 32240), (992, 28145), (1040, 26846), (1240, 22516), (1612, 17320), (1732, 16120), (2015, 13856), (2080, 13423), (2165, 12896), (2480, 11258), (3224, 8660), (3464, 8060), (4030, 6928), (4330, 6448), (4960, 5629)]