129215600

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{7879}}^1$

素因数の和:7938

約数の個数: 60

約数和(自身を含む): 318052560

約数和(自身を除く): 188836960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 7879, 8200, 15758, 16400, 31516, 39395, 63032, 78790, 126064, 157580, 196975, 315160, 323039, 393950, 630320, 646078, 787900, 1292156, 1575800, 1615195, 2584312, 3151600, 3230390, 5168624, 6460780, 8075975, 12921560, 16151950, 25843120, 32303900, 64607800, 129215600]

約数ペア:

[(1, 129215600), (2, 64607800), (4, 32303900), (5, 25843120), (8, 16151950), (10, 12921560), (16, 8075975), (20, 6460780), (25, 5168624), (40, 3230390), (41, 3151600), (50, 2584312), (80, 1615195), (82, 1575800), (100, 1292156), (164, 787900), (200, 646078), (205, 630320), (328, 393950), (400, 323039), (410, 315160), (656, 196975), (820, 157580), (1025, 126064), (1640, 78790), (2050, 63032), (3280, 39395), (4100, 31516), (7879, 16400), (8200, 15758)]