25548900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6551}}^1$

素因数の和:6581

約数の個数: 72

約数和(自身を含む): 79619904

約数和(自身を除く): 54071004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 6551, 13102, 19653, 26204, 32755, 39306, 65510, 78612, 85163, 98265, 131020, 163775, 170326, 196530, 255489, 327550, 340652, 393060, 425815, 491325, 510978, 655100, 851630, 982650, 1021956, 1277445, 1703260, 1965300, 2129075, 2554890, 4258150, 5109780, 6387225, 8516300, 12774450, 25548900]

約数ペア:

[(1, 25548900), (2, 12774450), (3, 8516300), (4, 6387225), (5, 5109780), (6, 4258150), (10, 2554890), (12, 2129075), (13, 1965300), (15, 1703260), (20, 1277445), (25, 1021956), (26, 982650), (30, 851630), (39, 655100), (50, 510978), (52, 491325), (60, 425815), (65, 393060), (75, 340652), (78, 327550), (100, 255489), (130, 196530), (150, 170326), (156, 163775), (195, 131020), (260, 98265), (300, 85163), (325, 78612), (390, 65510), (650, 39306), (780, 32755), (975, 26204), (1300, 19653), (1950, 13102), (3900, 6551)]