25261280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 96

約数和(自身を含む): 67350528

約数和(自身を除く): 42089248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 341, 352, 440, 463, 496, 620, 682, 880, 926, 992, 1240, 1364, 1705, 1760, 1852, 2315, 2480, 2728, 3410, 3704, 4630, 4960, 5093, 5456, 6820, 7408, 9260, 10186, 10912, 13640, 14353, 14816, 18520, 20372, 25465, 27280, 28706, 37040, 40744, 50930, 54560, 57412, 71765, 74080, 81488, 101860, 114824, 143530, 157883, 162976, 203720, 229648, 287060, 315766, 407440, 459296, 574120, 631532, 789415, 814880, 1148240, 1263064, 1578830, 2296480, 2526128, 3157660, 5052256, 6315320, 12630640, 25261280]

約数ペア:

[(1, 25261280), (2, 12630640), (4, 6315320), (5, 5052256), (8, 3157660), (10, 2526128), (11, 2296480), (16, 1578830), (20, 1263064), (22, 1148240), (31, 814880), (32, 789415), (40, 631532), (44, 574120), (55, 459296), (62, 407440), (80, 315766), (88, 287060), (110, 229648), (124, 203720), (155, 162976), (160, 157883), (176, 143530), (220, 114824), (248, 101860), (310, 81488), (341, 74080), (352, 71765), (440, 57412), (463, 54560), (496, 50930), (620, 40744), (682, 37040), (880, 28706), (926, 27280), (992, 25465), (1240, 20372), (1364, 18520), (1705, 14816), (1760, 14353), (1852, 13640), (2315, 10912), (2480, 10186), (2728, 9260), (3410, 7408), (3704, 6820), (4630, 5456), (4960, 5093)]