812411720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1\times {\mathrm{827}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 1877904000

約数和(自身を除く): 1065492280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 599, 820, 827, 1198, 1640, 1654, 2396, 2995, 3308, 4135, 4792, 5990, 6616, 8270, 11980, 16540, 23960, 24559, 33080, 33907, 49118, 67814, 98236, 122795, 135628, 169535, 196472, 245590, 271256, 339070, 491180, 495373, 678140, 982360, 990746, 1356280, 1981492, 2476865, 3962984, 4953730, 9907460, 19814920, 20310293, 40620586, 81241172, 101551465, 162482344, 203102930, 406205860, 812411720]

約数ペア:

[(1, 812411720), (2, 406205860), (4, 203102930), (5, 162482344), (8, 101551465), (10, 81241172), (20, 40620586), (40, 20310293), (41, 19814920), (82, 9907460), (164, 4953730), (205, 3962984), (328, 2476865), (410, 1981492), (599, 1356280), (820, 990746), (827, 982360), (1198, 678140), (1640, 495373), (1654, 491180), (2396, 339070), (2995, 271256), (3308, 245590), (4135, 196472), (4792, 169535), (5990, 135628), (6616, 122795), (8270, 98236), (11980, 67814), (16540, 49118), (23960, 33907), (24559, 33080)]