25297700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 60746112

約数和(自身を除く): 35448412

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 170, 230, 340, 391, 425, 460, 575, 647, 782, 850, 1150, 1294, 1564, 1700, 1955, 2300, 2588, 3235, 3910, 6470, 7820, 9775, 10999, 12940, 14881, 16175, 19550, 21998, 29762, 32350, 39100, 43996, 54995, 59524, 64700, 74405, 109990, 148810, 219980, 252977, 274975, 297620, 372025, 505954, 549950, 744050, 1011908, 1099900, 1264885, 1488100, 2529770, 5059540, 6324425, 12648850, 25297700]

約数ペア:

[(1, 25297700), (2, 12648850), (4, 6324425), (5, 5059540), (10, 2529770), (17, 1488100), (20, 1264885), (23, 1099900), (25, 1011908), (34, 744050), (46, 549950), (50, 505954), (68, 372025), (85, 297620), (92, 274975), (100, 252977), (115, 219980), (170, 148810), (230, 109990), (340, 74405), (391, 64700), (425, 59524), (460, 54995), (575, 43996), (647, 39100), (782, 32350), (850, 29762), (1150, 21998), (1294, 19550), (1564, 16175), (1700, 14881), (1955, 12940), (2300, 10999), (2588, 9775), (3235, 7820), (3910, 6470)]