65648240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16747}}^1$

素因数の和:16774

約数の個数: 60

約数和(自身を含む): 177562296

約数和(自身を除く): 111914056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16747, 33494, 66988, 83735, 117229, 133976, 167470, 234458, 267952, 334940, 468916, 586145, 669880, 820603, 937832, 1172290, 1339760, 1641206, 1875664, 2344580, 3282412, 4103015, 4689160, 6564824, 8206030, 9378320, 13129648, 16412060, 32824120, 65648240]

約数ペア:

[(1, 65648240), (2, 32824120), (4, 16412060), (5, 13129648), (7, 9378320), (8, 8206030), (10, 6564824), (14, 4689160), (16, 4103015), (20, 3282412), (28, 2344580), (35, 1875664), (40, 1641206), (49, 1339760), (56, 1172290), (70, 937832), (80, 820603), (98, 669880), (112, 586145), (140, 468916), (196, 334940), (245, 267952), (280, 234458), (392, 167470), (490, 133976), (560, 117229), (784, 83735), (980, 66988), (1960, 33494), (3920, 16747)]