27781760

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 67344480

約数和(自身を除く): 39562720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 523, 640, 664, 830, 1046, 1328, 1660, 2092, 2615, 2656, 3320, 4184, 5230, 5312, 6640, 8368, 10460, 10624, 13280, 16736, 20920, 26560, 33472, 41840, 43409, 53120, 66944, 83680, 86818, 167360, 173636, 217045, 334720, 347272, 434090, 694544, 868180, 1389088, 1736360, 2778176, 3472720, 5556352, 6945440, 13890880, 27781760]

約数ペア:

[(1, 27781760), (2, 13890880), (4, 6945440), (5, 5556352), (8, 3472720), (10, 2778176), (16, 1736360), (20, 1389088), (32, 868180), (40, 694544), (64, 434090), (80, 347272), (83, 334720), (128, 217045), (160, 173636), (166, 167360), (320, 86818), (332, 83680), (415, 66944), (523, 53120), (640, 43409), (664, 41840), (830, 33472), (1046, 26560), (1328, 20920), (1660, 16736), (2092, 13280), (2615, 10624), (2656, 10460), (3320, 8368), (4184, 6640), (5230, 5312)]