40328320

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 98085240

約数和(自身を除く): 57756920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1033, 1220, 1952, 2066, 2440, 3904, 4132, 4880, 5165, 7808, 8264, 9760, 10330, 16528, 19520, 20660, 33056, 39040, 41320, 63013, 66112, 82640, 126026, 132224, 165280, 252052, 315065, 330560, 504104, 630130, 661120, 1008208, 1260260, 2016416, 2520520, 4032832, 5041040, 8065664, 10082080, 20164160, 40328320]

約数ペア:

[(1, 40328320), (2, 20164160), (4, 10082080), (5, 8065664), (8, 5041040), (10, 4032832), (16, 2520520), (20, 2016416), (32, 1260260), (40, 1008208), (61, 661120), (64, 630130), (80, 504104), (122, 330560), (128, 315065), (160, 252052), (244, 165280), (305, 132224), (320, 126026), (488, 82640), (610, 66112), (640, 63013), (976, 41320), (1033, 39040), (1220, 33056), (1952, 20660), (2066, 19520), (2440, 16528), (3904, 10330), (4132, 9760), (4880, 8264), (5165, 7808)]