193750640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{39703}}^1$

素因数の和:39777

約数の個数: 40

約数和(自身を含む): 457866528

約数和(自身を除く): 264115888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 39703, 79406, 158812, 198515, 317624, 397030, 635248, 794060, 1588120, 2421883, 3176240, 4843766, 9687532, 12109415, 19375064, 24218830, 38750128, 48437660, 96875320, 193750640]

約数ペア:

[(1, 193750640), (2, 96875320), (4, 48437660), (5, 38750128), (8, 24218830), (10, 19375064), (16, 12109415), (20, 9687532), (40, 4843766), (61, 3176240), (80, 2421883), (122, 1588120), (244, 794060), (305, 635248), (488, 397030), (610, 317624), (976, 198515), (1220, 158812), (2440, 79406), (4880, 39703)]