39801280

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2117

約数の個数: 56

約数和(自身を含む): 96377760

約数和(自身を除く): 56576480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2039, 2440, 3904, 4078, 4880, 8156, 9760, 10195, 16312, 19520, 20390, 32624, 40780, 65248, 81560, 124379, 130496, 163120, 248758, 326240, 497516, 621895, 652480, 995032, 1243790, 1990064, 2487580, 3980128, 4975160, 7960256, 9950320, 19900640, 39801280]

約数ペア:

[(1, 39801280), (2, 19900640), (4, 9950320), (5, 7960256), (8, 4975160), (10, 3980128), (16, 2487580), (20, 1990064), (32, 1243790), (40, 995032), (61, 652480), (64, 621895), (80, 497516), (122, 326240), (160, 248758), (244, 163120), (305, 130496), (320, 124379), (488, 81560), (610, 65248), (976, 40780), (1220, 32624), (1952, 20390), (2039, 19520), (2440, 16312), (3904, 10195), (4078, 9760), (4880, 8156)]