40160128

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 85680000

約数和(自身を除く): 45519872

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 64, 116, 124, 128, 232, 248, 349, 464, 496, 698, 899, 928, 992, 1396, 1798, 1856, 1984, 2792, 3596, 3712, 3968, 5584, 7192, 10121, 10819, 11168, 14384, 20242, 21638, 22336, 28768, 40484, 43276, 44672, 57536, 80968, 86552, 115072, 161936, 173104, 313751, 323872, 346208, 627502, 647744, 692416, 1255004, 1295488, 1384832, 2510008, 5020016, 10040032, 20080064, 40160128]

約数ペア:

[(1, 40160128), (2, 20080064), (4, 10040032), (8, 5020016), (16, 2510008), (29, 1384832), (31, 1295488), (32, 1255004), (58, 692416), (62, 647744), (64, 627502), (116, 346208), (124, 323872), (128, 313751), (232, 173104), (248, 161936), (349, 115072), (464, 86552), (496, 80968), (698, 57536), (899, 44672), (928, 43276), (992, 40484), (1396, 28768), (1798, 22336), (1856, 21638), (1984, 20242), (2792, 14384), (3596, 11168), (3712, 10819), (3968, 10121), (5584, 7192)]