28242440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 68992560

約数和(自身を除く): 40750120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1013, 1394, 1640, 2026, 2788, 3485, 4052, 5065, 5576, 6970, 8104, 10130, 13940, 17221, 20260, 27880, 34442, 40520, 41533, 68884, 83066, 86105, 137768, 166132, 172210, 207665, 332264, 344420, 415330, 688840, 706061, 830660, 1412122, 1661320, 2824244, 3530305, 5648488, 7060610, 14121220, 28242440]

約数ペア:

[(1, 28242440), (2, 14121220), (4, 7060610), (5, 5648488), (8, 3530305), (10, 2824244), (17, 1661320), (20, 1412122), (34, 830660), (40, 706061), (41, 688840), (68, 415330), (82, 344420), (85, 332264), (136, 207665), (164, 172210), (170, 166132), (205, 137768), (328, 86105), (340, 83066), (410, 68884), (680, 41533), (697, 40520), (820, 34442), (1013, 27880), (1394, 20260), (1640, 17221), (2026, 13940), (2788, 10130), (3485, 8104), (4052, 6970), (5065, 5576)]