38205520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7829}}^1$

素因数の和:7903

約数の個数: 40

約数和(自身を含む): 90295560

約数和(自身を除く): 52090040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 7829, 15658, 31316, 39145, 62632, 78290, 125264, 156580, 313160, 477569, 626320, 955138, 1910276, 2387845, 3820552, 4775690, 7641104, 9551380, 19102760, 38205520]

約数ペア:

[(1, 38205520), (2, 19102760), (4, 9551380), (5, 7641104), (8, 4775690), (10, 3820552), (16, 2387845), (20, 1910276), (40, 955138), (61, 626320), (80, 477569), (122, 313160), (244, 156580), (305, 125264), (488, 78290), (610, 62632), (976, 39145), (1220, 31316), (2440, 15658), (4880, 7829)]