25288400

素因数分解:

$2^4\times 5^2\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:540

約数の個数: 60

約数和(自身を含む): 61257984

約数和(自身を除く): 35969584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 191, 200, 331, 382, 400, 662, 764, 955, 1324, 1528, 1655, 1910, 2648, 3056, 3310, 3820, 4775, 5296, 6620, 7640, 8275, 9550, 13240, 15280, 16550, 19100, 26480, 33100, 38200, 63221, 66200, 76400, 126442, 132400, 252884, 316105, 505768, 632210, 1011536, 1264420, 1580525, 2528840, 3161050, 5057680, 6322100, 12644200, 25288400]

約数ペア:

[(1, 25288400), (2, 12644200), (4, 6322100), (5, 5057680), (8, 3161050), (10, 2528840), (16, 1580525), (20, 1264420), (25, 1011536), (40, 632210), (50, 505768), (80, 316105), (100, 252884), (191, 132400), (200, 126442), (331, 76400), (382, 66200), (400, 63221), (662, 38200), (764, 33100), (955, 26480), (1324, 19100), (1528, 16550), (1655, 15280), (1910, 13240), (2648, 9550), (3056, 8275), (3310, 7640), (3820, 6620), (4775, 5296)]