634400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:94

約数の個数: 72

約数和(自身を含む): 1695204

約数和(自身を除く): 1060804

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 61, 65, 80, 100, 104, 122, 130, 160, 200, 208, 244, 260, 305, 325, 400, 416, 488, 520, 610, 650, 793, 800, 976, 1040, 1220, 1300, 1525, 1586, 1952, 2080, 2440, 2600, 3050, 3172, 3965, 4880, 5200, 6100, 6344, 7930, 9760, 10400, 12200, 12688, 15860, 19825, 24400, 25376, 31720, 39650, 48800, 63440, 79300, 126880, 158600, 317200, 634400]

約数ペア:

[(1, 634400), (2, 317200), (4, 158600), (5, 126880), (8, 79300), (10, 63440), (13, 48800), (16, 39650), (20, 31720), (25, 25376), (26, 24400), (32, 19825), (40, 15860), (50, 12688), (52, 12200), (61, 10400), (65, 9760), (80, 7930), (100, 6344), (104, 6100), (122, 5200), (130, 4880), (160, 3965), (200, 3172), (208, 3050), (244, 2600), (260, 2440), (305, 2080), (325, 1952), (400, 1586), (416, 1525), (488, 1300), (520, 1220), (610, 1040), (650, 976), (793, 800)]