2454792040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{7703}}^1$

素因数の和:8002

約数の個数: 64

約数和(自身を含む): 5724380160

約数和(自身を除く): 3269588120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 310, 514, 620, 1028, 1240, 1285, 2056, 2570, 5140, 7703, 7967, 10280, 15406, 15934, 30812, 31868, 38515, 39835, 61624, 63736, 77030, 79670, 154060, 159340, 238793, 308120, 318680, 477586, 955172, 1193965, 1910344, 1979671, 2387930, 3959342, 4775860, 7918684, 9551720, 9898355, 15837368, 19796710, 39593420, 61369801, 79186840, 122739602, 245479204, 306849005, 490958408, 613698010, 1227396020, 2454792040]

約数ペア:

[(1, 2454792040), (2, 1227396020), (4, 613698010), (5, 490958408), (8, 306849005), (10, 245479204), (20, 122739602), (31, 79186840), (40, 61369801), (62, 39593420), (124, 19796710), (155, 15837368), (248, 9898355), (257, 9551720), (310, 7918684), (514, 4775860), (620, 3959342), (1028, 2387930), (1240, 1979671), (1285, 1910344), (2056, 1193965), (2570, 955172), (5140, 477586), (7703, 318680), (7967, 308120), (10280, 238793), (15406, 159340), (15934, 154060), (30812, 79670), (31868, 77030), (38515, 63736), (39835, 61624)]