25041900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6421}}^1$

素因数の和:6451

約数の個数: 72

約数和(自身を含む): 78040144

約数和(自身を除く): 52998244

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, 6421, 12842, 19263, 25684, 32105, 38526, 64210, 77052, 83473, 96315, 128420, 160525, 166946, 192630, 250419, 321050, 333892, 385260, 417365, 481575, 500838, 642100, 834730, 963150, 1001676, 1252095, 1669460, 1926300, 2086825, 2504190, 4173650, 5008380, 6260475, 8347300, 12520950, 25041900]

約数ペア:

[(1, 25041900), (2, 12520950), (3, 8347300), (4, 6260475), (5, 5008380), (6, 4173650), (10, 2504190), (12, 2086825), (13, 1926300), (15, 1669460), (20, 1252095), (25, 1001676), (26, 963150), (30, 834730), (39, 642100), (50, 500838), (52, 481575), (60, 417365), (65, 385260), (75, 333892), (78, 321050), (100, 250419), (130, 192630), (150, 166946), (156, 160525), (195, 128420), (260, 96315), (300, 83473), (325, 77052), (390, 64210), (650, 38526), (780, 32105), (975, 25684), (1300, 19263), (1950, 12842), (3900, 6421)]