13200400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:620

約数の個数: 60

約数和(自身を含む): 32293444

約数和(自身を除く): 19093044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 541, 610, 976, 1082, 1220, 1525, 2164, 2440, 2705, 3050, 4328, 4880, 5410, 6100, 8656, 10820, 12200, 13525, 21640, 24400, 27050, 33001, 43280, 54100, 66002, 108200, 132004, 165005, 216400, 264008, 330010, 528016, 660020, 825025, 1320040, 1650050, 2640080, 3300100, 6600200, 13200400]

約数ペア:

[(1, 13200400), (2, 6600200), (4, 3300100), (5, 2640080), (8, 1650050), (10, 1320040), (16, 825025), (20, 660020), (25, 528016), (40, 330010), (50, 264008), (61, 216400), (80, 165005), (100, 132004), (122, 108200), (200, 66002), (244, 54100), (305, 43280), (400, 33001), (488, 27050), (541, 24400), (610, 21640), (976, 13525), (1082, 12200), (1220, 10820), (1525, 8656), (2164, 6100), (2440, 5410), (2705, 4880), (3050, 4328)]