54199720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 125773200

約数和(自身を除く): 71573480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 97, 122, 194, 229, 244, 305, 388, 458, 485, 488, 610, 776, 916, 970, 1145, 1220, 1832, 1940, 2290, 2440, 3880, 4580, 5917, 9160, 11834, 13969, 22213, 23668, 27938, 29585, 44426, 47336, 55876, 59170, 69845, 88852, 111065, 111752, 118340, 139690, 177704, 222130, 236680, 279380, 444260, 558760, 888520, 1354993, 2709986, 5419972, 6774965, 10839944, 13549930, 27099860, 54199720]

約数ペア:

[(1, 54199720), (2, 27099860), (4, 13549930), (5, 10839944), (8, 6774965), (10, 5419972), (20, 2709986), (40, 1354993), (61, 888520), (97, 558760), (122, 444260), (194, 279380), (229, 236680), (244, 222130), (305, 177704), (388, 139690), (458, 118340), (485, 111752), (488, 111065), (610, 88852), (776, 69845), (916, 59170), (970, 55876), (1145, 47336), (1220, 44426), (1832, 29585), (1940, 27938), (2290, 23668), (2440, 22213), (3880, 13969), (4580, 11834), (5917, 9160)]