19716408040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{60133}}^1$

素因数の和:61322

約数の個数: 64

約数和(自身を含む): 50743474560

約数和(自身を除く): 31027066520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1171, 2342, 4684, 5855, 8197, 9368, 11710, 16394, 23420, 32788, 40985, 46840, 60133, 65576, 81970, 120266, 163940, 240532, 300665, 327880, 420931, 481064, 601330, 841862, 1202660, 1683724, 2104655, 2405320, 3367448, 4209310, 8418620, 16837240, 70415743, 140831486, 281662972, 352078715, 492910201, 563325944, 704157430, 985820402, 1408314860, 1971640804, 2464551005, 2816629720, 3943281608, 4929102010, 9858204020, 19716408040]

約数ペア:

[(1, 19716408040), (2, 9858204020), (4, 4929102010), (5, 3943281608), (7, 2816629720), (8, 2464551005), (10, 1971640804), (14, 1408314860), (20, 985820402), (28, 704157430), (35, 563325944), (40, 492910201), (56, 352078715), (70, 281662972), (140, 140831486), (280, 70415743), (1171, 16837240), (2342, 8418620), (4684, 4209310), (5855, 3367448), (8197, 2405320), (9368, 2104655), (11710, 1683724), (16394, 1202660), (23420, 841862), (32788, 601330), (40985, 481064), (46840, 420931), (60133, 327880), (65576, 300665), (81970, 240532), (120266, 163940)]