12542371840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39511}}^1$

素因数の和:39569

約数の個数: 96

約数和(自身を含む): 31065914880

約数和(自身を除く): 18523543040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2048, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 10240, 15872, 19840, 31744, 39511, 39680, 63488, 79022, 79360, 158044, 158720, 197555, 316088, 317440, 395110, 632176, 790220, 1224841, 1264352, 1580440, 2449682, 2528704, 3160880, 4899364, 5057408, 6124205, 6321760, 9798728, 10114816, 12248410, 12643520, 19597456, 20229632, 24496820, 25287040, 39194912, 40459264, 48993640, 50574080, 78389824, 80918528, 97987280, 101148160, 156779648, 195974560, 202296320, 313559296, 391949120, 404592640, 627118592, 783898240, 1254237184, 1567796480, 2508474368, 3135592960, 6271185920, 12542371840]

約数ペア:

[(1, 12542371840), (2, 6271185920), (4, 3135592960), (5, 2508474368), (8, 1567796480), (10, 1254237184), (16, 783898240), (20, 627118592), (31, 404592640), (32, 391949120), (40, 313559296), (62, 202296320), (64, 195974560), (80, 156779648), (124, 101148160), (128, 97987280), (155, 80918528), (160, 78389824), (248, 50574080), (256, 48993640), (310, 40459264), (320, 39194912), (496, 25287040), (512, 24496820), (620, 20229632), (640, 19597456), (992, 12643520), (1024, 12248410), (1240, 10114816), (1280, 9798728), (1984, 6321760), (2048, 6124205), (2480, 5057408), (2560, 4899364), (3968, 3160880), (4960, 2528704), (5120, 2449682), (7936, 1580440), (9920, 1264352), (10240, 1224841), (15872, 790220), (19840, 632176), (31744, 395110), (39511, 317440), (39680, 316088), (63488, 197555), (79022, 158720), (79360, 158044)]