23613320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 32028280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 139, 155, 248, 274, 278, 310, 548, 556, 620, 685, 695, 1096, 1112, 1240, 1370, 1390, 2740, 2780, 4247, 4309, 5480, 5560, 8494, 8618, 16988, 17236, 19043, 21235, 21545, 33976, 34472, 38086, 42470, 43090, 76172, 84940, 86180, 95215, 152344, 169880, 172360, 190430, 380860, 590333, 761720, 1180666, 2361332, 2951665, 4722664, 5903330, 11806660, 23613320]

約数ペア:

[(1, 23613320), (2, 11806660), (4, 5903330), (5, 4722664), (8, 2951665), (10, 2361332), (20, 1180666), (31, 761720), (40, 590333), (62, 380860), (124, 190430), (137, 172360), (139, 169880), (155, 152344), (248, 95215), (274, 86180), (278, 84940), (310, 76172), (548, 43090), (556, 42470), (620, 38086), (685, 34472), (695, 33976), (1096, 21545), (1112, 21235), (1240, 19043), (1370, 17236), (1390, 16988), (2740, 8618), (2780, 8494), (4247, 5560), (4309, 5480)]