2145030680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{31489}}^1$

素因数の和:31644

約数の個数: 64

約数和(自身を含む): 5237416800

約数和(自身を除く): 3092386120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1310, 1703, 2620, 3406, 5240, 6812, 8515, 13624, 17030, 31489, 34060, 62978, 68120, 125956, 157445, 251912, 314890, 409357, 629780, 818714, 1259560, 1637428, 2046785, 3274856, 4093570, 4125059, 8187140, 8250118, 16374280, 16500236, 20625295, 33000472, 41250590, 53625767, 82501180, 107251534, 165002360, 214503068, 268128835, 429006136, 536257670, 1072515340, 2145030680]

約数ペア:

[(1, 2145030680), (2, 1072515340), (4, 536257670), (5, 429006136), (8, 268128835), (10, 214503068), (13, 165002360), (20, 107251534), (26, 82501180), (40, 53625767), (52, 41250590), (65, 33000472), (104, 20625295), (130, 16500236), (131, 16374280), (260, 8250118), (262, 8187140), (520, 4125059), (524, 4093570), (655, 3274856), (1048, 2046785), (1310, 1637428), (1703, 1259560), (2620, 818714), (3406, 629780), (5240, 409357), (6812, 314890), (8515, 251912), (13624, 157445), (17030, 125956), (31489, 68120), (34060, 62978)]