23453440

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 57174768

約数和(自身を除く): 33721328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 251, 256, 292, 320, 365, 502, 584, 640, 730, 1004, 1168, 1255, 1280, 1460, 2008, 2336, 2510, 2920, 4016, 4672, 5020, 5840, 8032, 9344, 10040, 11680, 16064, 18323, 18688, 20080, 23360, 32128, 36646, 40160, 46720, 64256, 73292, 80320, 91615, 93440, 146584, 160640, 183230, 293168, 321280, 366460, 586336, 732920, 1172672, 1465840, 2345344, 2931680, 4690688, 5863360, 11726720, 23453440]

約数ペア:

[(1, 23453440), (2, 11726720), (4, 5863360), (5, 4690688), (8, 2931680), (10, 2345344), (16, 1465840), (20, 1172672), (32, 732920), (40, 586336), (64, 366460), (73, 321280), (80, 293168), (128, 183230), (146, 160640), (160, 146584), (251, 93440), (256, 91615), (292, 80320), (320, 73292), (365, 64256), (502, 46720), (584, 40160), (640, 36646), (730, 32128), (1004, 23360), (1168, 20080), (1255, 18688), (1280, 18323), (1460, 16064), (2008, 11680), (2336, 10040), (2510, 9344), (2920, 8032), (4016, 5840), (4672, 5020)]