39683968

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 83329920

約数和(自身を除く): 43645952

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 128, 137, 146, 248, 274, 292, 496, 548, 584, 992, 1096, 1168, 1984, 2192, 2263, 2336, 3968, 4247, 4384, 4526, 4672, 8494, 8768, 9052, 9344, 10001, 16988, 17536, 18104, 20002, 33976, 36208, 40004, 67952, 72416, 80008, 135904, 144832, 160016, 271808, 289664, 310031, 320032, 543616, 620062, 640064, 1240124, 1280128, 2480248, 4960496, 9920992, 19841984, 39683968]

約数ペア:

[(1, 39683968), (2, 19841984), (4, 9920992), (8, 4960496), (16, 2480248), (31, 1280128), (32, 1240124), (62, 640064), (64, 620062), (73, 543616), (124, 320032), (128, 310031), (137, 289664), (146, 271808), (248, 160016), (274, 144832), (292, 135904), (496, 80008), (548, 72416), (584, 67952), (992, 40004), (1096, 36208), (1168, 33976), (1984, 20002), (2192, 18104), (2263, 17536), (2336, 16988), (3968, 10001), (4247, 9344), (4384, 9052), (4526, 8768), (4672, 8494)]