13139680

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2003}}^1$

素因数の和:2059

約数の個数: 48

約数和(自身を含む): 31815504

約数和(自身を除く): 18675824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2003, 3280, 4006, 6560, 8012, 10015, 16024, 20030, 32048, 40060, 64096, 80120, 82123, 160240, 164246, 320480, 328492, 410615, 656984, 821230, 1313968, 1642460, 2627936, 3284920, 6569840, 13139680]

約数ペア:

[(1, 13139680), (2, 6569840), (4, 3284920), (5, 2627936), (8, 1642460), (10, 1313968), (16, 821230), (20, 656984), (32, 410615), (40, 328492), (41, 320480), (80, 164246), (82, 160240), (160, 82123), (164, 80120), (205, 64096), (328, 40060), (410, 32048), (656, 20030), (820, 16024), (1312, 10015), (1640, 8012), (2003, 6560), (3280, 4006)]