13015040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 33022080

約数和(自身を除く): 20007040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 310, 320, 328, 410, 496, 512, 620, 640, 656, 820, 992, 1024, 1240, 1271, 1280, 1312, 1640, 1984, 2048, 2480, 2542, 2560, 2624, 3280, 3968, 4960, 5084, 5120, 5248, 6355, 6560, 7936, 9920, 10168, 10240, 10496, 12710, 13120, 15872, 19840, 20336, 20992, 25420, 26240, 31744, 39680, 40672, 41984, 50840, 52480, 63488, 79360, 81344, 83968, 101680, 104960, 158720, 162688, 203360, 209920, 317440, 325376, 406720, 419840, 650752, 813440, 1301504, 1626880, 2603008, 3253760, 6507520, 13015040]

約数ペア:

[(1, 13015040), (2, 6507520), (4, 3253760), (5, 2603008), (8, 1626880), (10, 1301504), (16, 813440), (20, 650752), (31, 419840), (32, 406720), (40, 325376), (41, 317440), (62, 209920), (64, 203360), (80, 162688), (82, 158720), (124, 104960), (128, 101680), (155, 83968), (160, 81344), (164, 79360), (205, 63488), (248, 52480), (256, 50840), (310, 41984), (320, 40672), (328, 39680), (410, 31744), (496, 26240), (512, 25420), (620, 20992), (640, 20336), (656, 19840), (820, 15872), (992, 13120), (1024, 12710), (1240, 10496), (1271, 10240), (1280, 10168), (1312, 9920), (1640, 7936), (1984, 6560), (2048, 6355), (2480, 5248), (2542, 5120), (2560, 5084), (2624, 4960), (3280, 3968)]